Index to Vilume 34J a n u a r y t o D e c e m b e r , 1929

G oal A ge

McGraw-Hill Publishing Company, Inc.

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New York City

COAL AGEW ith W hich Is Consolidated

T h e “ Colliery E ngin eer" and “ M in es and M inerals ’ '

INDEX TO VOLUME XXXIVJanuary to December, 1929

NOTE— The articles and references in this index have been classified under leading: subjects or topics, as far as practicable, and should be sought under such heads, which, together with all unclassified matter, are arranged alphabeti­cally. Illustrated articles or cuts standing- by themselves are indicated by an asterisk (* )The subject matter o f editorials will be found classified under the subject with which they deal and marked (e ) . Many titles o f articles are abbreviated, the aim being to give prominence to important words.

Following is a list o f the pages included in each issue o f the volume, together with dateana number o f the issue, for convenience o freference:January .............................?TeobX!iary .................. 7 3 -1 3 5March ..........................................£ P ril .....................................................................I ......................................................................265-328............................................ ............................................. .g-URTWt ........................................................................401-520September ....................................................... 521-680October- ..................................................................... 581-000November ....................................................... fifll-720December .......................................... .................. 721-784

Amer. Soc. o f Mechanical Engineers— Cont’d.National fuels meeting to be held............ 4 4 7Wire rope, to study ( e ) ................................ 2 9 7

American Society for Testing Materials, tentatively approves coal and coke stand­ards ...................................................................... 252

American Standards Association, " to ' stand­ardize mine cars and tim bers................... 251

American Wholesale Coat AssociationContact committee nam ed............................. 1 8 7Convention date set............................. 188Convention report ............................. . . . . ! 3 9 7

Ammeter, new, simplifies readings. . ! ! ! ! ! »136 Among the Manufacturers. .113, 101, 255, 319

„ 385 451. 511, 573, 711, 775Anthracite Co-operative Association ap-

points committees .................................... 5 0 5Meets ............................................................ ' * 4 4 Q

Anthracite Equipment Corp., formed.’ !.’ !.*! 504Anthracite Institute, organized........................ 653Anthracite

Bill introduced to waive certificates dur­ing strikes ................................................ 3 5 1

B eak er equipment, busy remodelling'.

AAccidents. See also Safety.

Alabama blast kills nine. . . .3 9 0 : work­men responsible .................................... 4 4 «

Colorado fatalities decline...............! ! ! ! ! ! 660Death rate inflated despite lower output.

Turner ............................................................ *1 9Explosions, electricity chief cause! . . . ! 7 7 4Fatalities, Illinois. 1929. least.................... 510natalities, in coal m ines............6 8 190 254

. . . 32.8. 400, 450. 510. 572, 660. 710, 774Unio campaign reduces........................ 5 7 2

Fatality from shprt fuse, metallic pelletin tamping ........................ *167

Future, what o f the? (e ) . 090Glen Rogers explosion kills fo u r .................447Illinois blast kills 7 ................... 7 71Kin loch explosion kills four*. ’. V. * 2 4 7 ■

caused by broken con vevor .. . *298Oklahoma blast kills e igh t................. . ! . ! 658Prevention. See SafetyWest Virginia blast kills 1 4 ...................... 1 2 6

Acetylene cutting torch smooths worn tires *51 Accumulator, steam, made o f locomotive. 1 , ..................................................................... 307Aerial Tramway

Bridges Cheat river ........................... * 7 4Delivers 200 tons per hour to” tipple*

..Morrison * 8 8Solves transportation difficulties.' central

, , el Panina plant. Carstarphen............ *149Agriculture, coal in. H all. iVtAid, first. See First Aid ............................. 631Air cleaning-, coal. See Preparation

Compresmm? See Compresspd Air and A p r a c t^ J M'ninS Institute- studies tradeAlabama ......................................................... 6a7

■First-aid contest, eleventh................. sonMechanical cleaning: plants in 1928 . . ' «43Mechanization and safetv. Pies nqSafety, presents solid front in. m il'.nouse .......................... i

A lcohol made from c o a l . ! ! ! ! ! ! ! ! ! ! ! “ * 5 7 0 A m ^ !s-in ifS ,clar.3p,poiSti‘d c o n su lta n ts ...! 396? « t e ' I n d S S C O T P - I a U n C h 6 t i t0

' siudi- ' ' in- m A T / S 395A ” ’ e KnB^'cer"f * MetsOlurfiwI

Annual meeting- ..........Appoints committees . . ........................Coal Division tentatively form ed! 772

American M inins CongressCincinnati meeting:, progress o f mechani-

zation, 313: report . . . . •T'tsCoal, to study by districts. . ! ! ! ! ! * ’ ** 185Education, committee named . .......... 445Exposition, notice o f . . ............ STSMine timber committee named" I ! 11 " " R52 Mine transportation code com m ittee!*.! 659 Notice o f meeting . . .Stabilization, lepal aspects' o f " ¿ ¿ ¿ t a g .

thirty-second annual m eeting .. 70sAmerican Rheolaveur Corp., merges with

Koppers ..................................................... 1 2 6American Society o f Mechanical Engineers

Anthraeite-Lehigh Valley section meets. *367 Combustion discusscd, annual fuels meet­

ing .............................................. .. 707Low-temperature distillation, annual* fall

meeting ............................................................

Blasting— Cont’d. PageGetting the most merchantable coal.

Bennett ................... ....................................... *541L.O.X. in Enos stripping. ...................... .. ! * * 3 3 5Liquid oxygen in Illinois. Garcia. . . . 35Miners should not drill or blast. Eng­

lish ................................................................. Q4 2Misfire causes in anthracite mine un­

covered by investigation. T h o m a s ... 165 Misfires, discussed at A.I.M .E. m eeting. . 163New explosive out ................................ 186Overcharging difficult to avoid. Gandy. . 641o ? • iSUre* shooting cab le ............. *443Shooting. dependent, condemned by

Bureau o f M ines............................. 4 0 9Shotfirers com pulsory in B. C. Ben­

nett ................................................................... 642Shot-hole drilling standardized in W yo-ming. Dickinson ................................................... 4 0Signal cable, reeling, cuts shotllring mis­

haps ................................................................. ..Supervision needed fo r best results.

Edwards .......................................................... 0 4 2Tamping anchor, steel, for cushion blast­

ing ................................................................. *502„ riaJ1 ...................... ........................................’ .*271 Tamping bags, filling............................. ! . ! * 3 8 4co-operation and research urged ................. 249 Blueprinting machine, new ................... *578i£S!L«<2S^n- / ;K' Marvin® colliery....................... 342 £ oilSr operation controlled by new products 196Forward, (e ) ............................................... 0 3 7 Bond, hints on maintenance............................ 48geology, northern field. H a ll................... *585 B ook r e v ie w s ........................................ 1 0 7 1 7 3 241TTnii?™ 8)lc,ceeds NeiI as um pire............ ! 6 6 379, 437. 497, 551, 639’, 697! 761Heritage (e) ..................................................... 5 8 1 Bosscs Talk , fc QverLoaders, more should be installed*.

is orris .................................... .. 4 1Tkîarî^e Corporation form ed..........! ! ! * ! * * 445Mechanical cleaning plants in 1 9 2 8 . . ! ! * 4 3 Merchandising, producers awake to im ­

portance. Dodson .................................. * 1 7Mining problems in field: report at Cin­

cinnati convention. A. M. C.............. *340îrî52re ? a.use.3 uncovered. T hom as. . ! . 165Korea stripping ......................................... 3 5 9Prices cut ...................... oqoRoyalties cut .................! .............................. - - -Salesmanship, good (ê ) * ! ! ! ! ! !X rl I hm nn 4 .. 1 fl A . r»n .

Air, getting good to fa ce ......................... 108Day labor jobs, co-ordinating.................. 692iaectricity. tracing stray............................ 4 3 4Machine age. training men fo r ................ 492M iring machines influence output, can? 236M ultiple-shifting in mechanized mining 756Oil. watch th e ............................................ 3 0 2Power losses, picking u p ........................ .. ‘ ! 5 2Safety, stimulating interest in ................... 640Shooting, getting down to finer point in 554Systematizing com pany work ................... 3 7 4

------------BVWU XK/ ............... ................ Timbering, taking chance in .................... 1 7 4Shipments. 1 2 2 , 183. 312. 568. 659, 705. 7 6 7 o f W est Vir^nia, suggests coalStrip miners get 8 -hour day...................... ‘ 652 ere? ce . ............................................................ 503Tax. denounced by engineers. . 1 22 ’ « o x car loader, new. one-man control. . . . *135

repealer, two bills presented. . . .124* Brake, hoist, new. for special conditions. 200gets favorable action____ 182 : goes to l!oS n0!3 type* ,new ........................................**132

a ..Senate. 250: approved ............... 3 0 7 r> Solenoid, ncw, lever operation...............*199Anthracite Club o f New York, meets 704 grazing furnace, n ew .................................... * 3 2 5

A ?b itm u jn n S?e°Labo?me Palr69 ir o ® '< °> 6 9 1 t 0 ........... ? ? 7Arcweld. See Welding Arkansas

396637

Briquetting, to build plant................................ 1 8 4HaU erectinff wet and dry cleaning plants. *27

S a l e s b o o s t e d ..................... 7 n oA rm a tu re s . S ee E le c tr ic ity ..............................A sn -n a n d h n g eq u ip m en t, n e w ........... « 7 1 «A s s o c ia t io n a n d I n s t i t u t e s . S e e n a m e s * o f

a ssoc,a tion s as A m er. Ins. o f Mtatag- & M e t a l lu r g i c a l E n g in e e r s

Z T V ; ; ; ; i f f

BBackfilling-, H udson C oal Co. . .r .o rB argain ing co lle ct iv e . See L a b o r ................

p e r ity °n D avisS assure contin ued pros-

nAw2.m i? e c a lc u la tio n s o f ten sio n andp o w e r t r a n s m i t t e d b y ............................ * 1 7 0

B elt drives. V-type. n e w .............! : : ! ! : : : . " .5 7 9R eit. P revented. new com p ou n d . . . »1 3 4M t l i a c ^ ' n ^ !,De9tan .................

ti*SSSi& !?j#yBl1ie lt niin i!lh tni3 ci .ine' t,,sts new a l l o y ! ! 208 ■Diack K n ig h t C lu b , m e e t s ............ * 7 f KBlasting .................... uo

B la s t in g m a ch in e , n ew . p o c k e t-ty n e *325 B a s ts . See also A cciden ts e l l 5 p e - ' - - 3 3 5iiusr dust v s . exp losives. J o n e s ................... f l «C ap s. n ew . e le c tn c - d e la y .................... *324r !3 0x atL°?.te<i ln U tah. W a t t s . ........... 40C ardox shell. new , l ig h t ................... " ' *7 “>0

H orn sb j^ . expl osi ves' .

Deiro m tl0n ' prem ature- P ro te c t in g 'm in e r

“ f s s c l i x ® * . ’ ’ ’ ’ >“ * « « ; ' ' o t 'l45Dr‘w i o f r iS , W asting: fo r m acliinc'io'ad 'ing- “ ° 8

w i t n d e la y c a p s m U t a h . P e t e r s o n * 0 1 7 D r i l l i n g a n d b l a s t i n g f o r m a c h in e l o a d i n g ~

i, W yom toy . F o o t e ............. * 2 i eF ies 00tlne' » "trod u ced in A labam a.

EXproTOie9iifItUrC’aU °^9M ines6refssuea0 ap- ' bS

Fa& ^ ' ; andu o ~

Britain. O’Toole suggests’ remedies' fo r 'coali n d u s t r y ............................... ................................. 5 7 1

Britain shows p rofit........... . ! ! ! ! ! ! ! .............. 500Budgeting, Bailey ................................! ! ! . * ! ! *723Bug-dust scraper, new. folding . . . ! ! ! ! ! ! ! *783 Bulletin board installed at fountain *442 Bumps. See Mining Methods Bureau o f Mines

Comparative study, wet and dry cleaning 736 Electricity, ch ief cause o f explosions. . 774Concrete stoppings tested............................. » 9 0Explosion in rock-dusted m ine..........! . ! ! *548First-aid certificates awarded...............! ! ! 4 5 0Gives approval to mining equipment.

how and why. G leim ........................ 0 7Hoist in intake a ir .................................. * 4 x 4Permissible explosives, approved’ * listreissued ..................................................... 4 3 9Permissible plates, new .............. 67, * 124

. 250. 395*, 704,’ 773safeguarding equipment in gassy mines

discussed ........................................................ 1 0 7Shooting, dependent, c o n d e m n e d ! ! ! ! ! ! ! ! 469

Bussey plant fo r Canada.................................. 5 7 2

*181

Cable. See also ElectricityH l^ « service< extend, by self-aligningguiae .............................................. .. *i

Casing. See HoistingCalculator, electrical, n ew ............................... * 1 9 7Car retarder. control assured by pipes! ! ! ! * 4 9 8Car shortage imm inent...................... 571Cardox. See Blasting Cars

American Standards Association. tostandardize .................................. 0 5 1

Coupling, new, safe, a u tom atic!! ! ! ! ! ! ! *518Greaser, new. autom atic............................... *520Car-retarder, pneumatic ................ . ! ! ! * * 4 4 1Car spotter, new .................................... ! ! . ! *196Damage avoided by tripper .......... *766Flat wheels run true on heavy rails! .‘ *766£ew . high-capacity ................................ * 4 5 8Take it away ( e ) ............................................*. 105Wheels use and abuse o f mine-car.

Hockensmith .............................................. 4 7 9Central States Safety Congress: report o f

meeting .............................................. .. 390Chain, new conveyor, n o i s e l e s s ! ! ! ! ! ! ! ! ! ! 135Chain drives, new, s i l e n t . . . ........................ *200Cham feeder. New ............................................. *783Chain hoist, new. differential . . . ! ! ! ! ! ! ! 784

January-December, 1929 C O A L A G E

PageChamber o f Commerce o f the United States,

report o i meeting:............................................ 391Chemical combine form ed................................... 314Chemically minded < e )....................................... 552Cleaning- coal. See Preparation Closed shop. See LaborCoal, "rank” and “ type” defined. ............... . 709Coal and chemical tariffs ( e ) ........................... 491Coal standards tentatively approved............. 252Coal and iron police, inquiry......................... 571Coal Age

Hale appointed ed itor.................................. 432History and editorial s ta ff........................... 63Letter to the editor; Alfred Pearson dis­

cusses combination ................................... 214Eugene MacAuliffe writes....................... 084

Coal Club o f Philadelphia d in e s ... - ............ 126Coal industry, how to make more profit­

able in 1929. Symposium ................................. 7Coal industry, indicators o f activity in. , . .*128.

•192, *250. *320. *380, *452. *512. *574.*048. *770

Coal MiningResearch, why it cannot afford to neglect.

Ely ................................................................ *29Technical advances registered at A.M.C. ~ ■

convention . . . . ............................................. *338Technical training o f men is pressing.

Lawall ............................................................ *2 3Trade-practice code would help. Myers*. *9

Coal m:ne, the....................................................... *202Coal Mining Institute o f America

Meeting ................................................................ * 0 5Report o f summer meeting. . *423

Coal reserves, industrial ........................ .03 121183. 390. 446, 503. 503, 057. 711

Coke and CokingAgglutinating power o f co a l........................ 1 0 2Byproduct output up; beehive production

falls 111 1 928 .................................................. 188Gas and metallurgical coal demands,

meeting. Morrow ........................................*145standards tentatively approved................. 252

an(l coal, n?en argue fuel values. . . . * 1 0 2 Collective bargaining. See Labor Colleges. See EducationColumbia University, to develop research .. 711 Colorado

Distillation plant, low-temperature. to benstalled .......................... qqo

Fatalities decline ...............;* .* .* !* .............. 600Mechanization in. halted b y ' difficulVies’.Magraw .................................... 4 0volatile matter in coal. ‘ Manuel ‘ andCarpenter ......................................

Combinations— 1929 model ( e ) ............ " 7 3Compass, new B runton...................... ' " ' * 3 ° 0Compensation, workmen's. See Labor..........Competition. See Economics Compressed Air and Compressors

Pressor. Diesei-engine drive............ *179™?ller-bearing. new ................. * 5 1 8Timken bearing, new ; ............ *3 'MTractor-mounted, new .......... « 1 0 0

nUne’ stages ' 'come-back.Hi oskj .................................................. * 7 3 7ronirn'i? 1 iplcli s use<1 in Europe." H a l l ! *300 Concrete blocks for mine walls. Putman. *78CnnnrCte ' r®adj''lnixe<l. for mine w ork .......... 500Concrete stoppings tested............................. « 9 0

irreCSS* m inin?* ®ee Amer. Mining* Co'n-Connellsville road, funds f o r .............. 0 3Consolidation. See Economies ............Consumer, fitting product to needs in 1027

Hosiers and T ryon ............ ' , . ln' « eci ric,‘i 1' See E lectr ic ity ...............?■ production. See Economics

Com e jo r , duplex, new. for abrasives..........* 7 1 9Conveyors

Development in 1928, Young. . . -14at W!2ter meeting-of R3I.C.M .I. 207

Duckbill new. for thin seams............... *32711.11 s eoaI in southern Wyoming-.« a n .............................................. *331

Ehrenfeld mine, compressed air used.xJrosKy .................................. *7 ^ 7

Kentucky mode o f use. Cole. . . ’ *3 «Longface mining with d u c k b i l l , . ' . ' . ' ' ' ' 3 4 3 Mechanization expansion (e ) ' 7 5 4i»ew, rugged, m o b i le ....... .. . . . ......................Pennsv^vanf, i,0 int- exU;nslb,e shove lerl.'*457PoiEfhiJ i S . uf ° mcreases. Dodge........................ 36

room 6 goes irom room toin’.Lo'ga'n f l eia: I f f ?

W efmir U ’ P ' Coal Co' . ^ „Wood wedges avoid bridging d ips....................- s o oW jom ing, new practice in. Dickinson 40Wyoming, use in southern. Foote ’ •2 1 B

Cord grip. new. reduces hazards.. ..........M isCorros-on. lead sleeves forestall pipe. * 4 7Council studies industrial developm ents'" l^ lCoupling, flexible, new .......... v 1 ' ’ . i s i

Flexible chain, n ew ............... ...................Flex-Ring, new .............. ..................ySSJ^ew. contains back s t o p . . . ! ................... 2Power<5 eW.'. Io<Mmotive ‘ 5-Pe. ffasoilne o

Cnttln? ® §al; f ee Cuttin? M achines' ~6°Cuttmg-off tool, new ................... .. ................. *450Cutting Machines

ArsChWonw aild SDodg^ . m.aCh! ne5 diSI” aCe B°Peake Sh° U!d report eutting" needs'.

CU tfdrdleW° L iv e ii“ .' ,Vadh' “ d ' 'in ! ! ! ^E dw ards upkee'p Prevents 'breakdowns.

„ . PageCutting Machines— Cont’d.Give machine a chance. Bennett................. 303Night cutting best. Gaul.............................. 304Practical method o f cutting. D oe............ 303Reports should be gathered for forem an’s

study. Gandy ............................................... 304Supervision o f crew and method o f cut­

ting necessary. Otey................................ 303Track-mounted, in Illinois. Garcia. . . . 35

Czechoslovakia, coal and electricity...............*102

DDay labor. See LaborDemand, better, required................................................ 4 5Depletion urged, percentage.............................. 050Depreciation schedule being prepared................ 503Die stock, ratchet, n e w ....................................... 460Dispatching. See Haulage.Distilled-coal plant, largest, opens. H all. . .*229 Distillation o f coal, thought o f Europe.

Pierce .................................................................... *280Distillation plant, low-temperature, for

Colo........................................................................... 3 9 2Distillation plant, low-temperature, for

.Utah ..................................................................... 3 9 4Distillation, low-temperature, A.S.M.E. an­

nual fuels m e e t in g ............................................ *083Distillation, low-temperature, Supercoke

Corporation, Chicago ................................... 771Distribution. See Merchandising.Distributors. See R ock Dusting.Dock operators to sim plify sizing. . . .2 6 1 ;

adopt r u le s ........................................................... 398Dolomite mines. See W oodward Iron Co.Dragline bucket, new ........................................... 320Drainage board formed in Pennsylvania. . . 703 Driers. See Preparation.Drills and Drilling

Anthracite stripping, Lehigh Coal &Navigation Co. Given.................................*203

Core, new, cost-reducing.................................. 517Diamonds replaced by new a lloy .....................*204Drill, coal and rock, new ................................ 1 3 4

Buffing and grinding, new ............................*202Breast machine mounted, n ew ..................*328Light, heavy-duty, new ............................*199Light, speedy, new ......................................... *197Light-duty, electric, n ew ............................ *201Mounted, one-man. new ............................ *132New, for r o c k ..................................................*784Timken bearings, new ................................... *720

Forge, new. noiseless, high-pressure. . . . 134Mounting, new, portable................................... *718Sharpener, new, two-cylinder......................... 5 1 9Shot-hole drilling, southern Wyoming.

Foote ...................................................................*216Shot-hole drilling, Utah. Petersen. . ! ! ! *217

‘Draw.” Hall ......................................................... *700Driver, sheeting, n ew ............................................ 4 5 3Duckbills. See Conveyors.Dump, scraper spreads rock o n . . . . .............. .*0 4 3Dust remover, new, for flue gases................. 1 3 3Dusting. See Rock Dusting.'Dustless.” sues to restrain use o f t e r m .. . 054

Earnings, coal companies. See FinancialReports.

East, report and discussion on mining meth­ods at A.M.C. m eeting.................................... *348

Economies. See also Trade-PractlcesBasic conditions assure prosperity. Davis *3Better demand required............................. 4 5Coal and chemical tariffs ( e ) ............ . ! ! ! 4 9 1Coal, if it had been ( e ) ................... 5 5 3Combinations— 1929 model ( e ) .............. ". 7 3Committee on Recent Econom ic Charges

o f the President's Unemployment Con­ference: summary o f report................... 3 9 5

■ Competition, injurious, is condemned. . . . 4 5Consolidation holds key to success............ 8Consolidation, clean coal, hold prom ise. . 4 4Consolidations. thought o f Europe

Pierce ............................................................ *286Control, production, can it be based on

present trends? ........................................... 1 0 5Co-operation and research urged on an­

thracite men ................................................ 249Co-operation is the road to profits! ! ! . ! . 8Depletion urged, percentage........................ 656Depreciation schedule being prepared. . . 503Economics and the law (e ) . . . ............. 201Export association, does it offer outlet

for American coa l? Gent........................ *25Eliminate distress co a l ............................... .. 4 5Federal control asked........................ • • • . • ^Germany’s output in 1927 shows

progress . ...................................................* 1 1 9Individual responsibility (e) . . . . ! ! . * ? ] .* 721 Industrial leaders promise expenditures

to promote business ............................... * 7 6 9Limited output suggested............................. 4 5Marketing, intelligent, holds s o lu t io n ... 45 Mergers, restriction o f output, suggested. 7 Mining and selling, better, hold hope. . . . 24Modernization and profits ( e ) ................... 205New coal company launched to save in-

dustry ............................................................ 1 3 4Other side, the ( e ) ......................................... 105Paisley offers bituminous com bination. . 504Passing o f the tin cup. the ( e ) ................. 061Producers, weak, driven o u t ...................... 4 4Production, on limiting, consider markets 24Profits depend on sales.................................. 24Profits forem ost in mind o f coal industry 7 Profits, increase sales realization to boost 24 Profits, no practical way exists to in­

crease ............................................................ 24Profits and losses. N.C.A. annual meet­

ing ................................................................... * 0 0 6Profits rise ....................................................... 5 7 0

„ f PageEconomics-—Cont’d. / V.

Profit-minded, making industry, N‘:Q,A.annual meeting ..................................*000

Rep. Bowman suggest^ conference on coal 503Retailer is alert, the ( è ) ............................ 373Sell coal only on order. . . : . . . ................ 7Situation, bituminous, real, to be shown 503South Am erica: Coal consiimption fails

to keep pace with commercial and in­dustrial expansion. Bradley.................... *80

Suggestion, a vacation ( e ) ............................ 553Survival o f the fittest in coal business*. 45Watson bill arouses opposition .................. 123

EducationAmerican Mining Congress names com ­

mittee ................. .x......................................... 4 4 5Courses for executives announced........... 312Danger ahead ( e ) ............................................. 1 7 0Executives in mining ( e ) ............................ 231Illinois Mining Institute discusses...............*425Instruction at nominal cost for Kentucky

miners ........................................................................................... 0 7Mines, who will run next year? (e ) . . . . 090 Mining as a career, how to stimulate in­

terest in ......................................................... 1 0 4Old worthies and the new. the ( e ) ........... 290Scholarship, rewards for ( e ) ....................... 4 3 3Technical training o f men pressing need.

Lawall ........................................................... * 2 3Virginia miners, safety training broad­

ened ................................................................... 1 2 5W. Va. high schools to teach mining. . . . 569W hy write? ( e ) .................................................. 3 7 3

Electricity— Power and EquipmentAccidents at coal mines, how to prevent,

proceedings, winter meeting. R.M.C.M.I.*231 Ammeter indicates condition, relay cir-

cuit .................................................................... *646Armatures, maintenance and repair. Roe. *309Bander o f winding stand, attachment

makes ............................................................... *180Battery compound, new ........................ ! . 580Bearing current appeared on long-used

m otor .............................................................. 3 0 7Borehole, cable suspension in . * 5 0 1Borehole cable terminal cuts erection

costs ..................................................................*047Breaker, meter-service. n e w ' *580Cable, power and control, new ................... 7 1 7Cables, mine, prolonging l i fe ...........................300Charging panel, new ....................................... 782Circuit breaker, new, for isolated ma­

chines ................................................................. 7 8 4Commutator sander ............................... . . .*702Compensator, new, manual starting............. *203

New. for ga s ....................................................*203Contactor coils, mechanical burnouts. . 705Control, new for well-drilling.......................*203

New, time-current ........................................*325New, dead-front cu bicle ........................ 1*159

Controller, drum-type, new ............................. 4 5 0New, drum type, reversing ................ .*517

Cutouts, new, primary, expulsion type. . *580 Demand limiter saves cost five m onths. .*242Doors, take out. L iv e ly . ............................. 4 9 4Drying m otor by driving ro to r ..........! *244Electrical equipment, fitting to job. Pitts­

burgh cleaning plants. G ealy.................. *151Electrode holder, new, water-cooled. . . . *324

New, metallic-arc w-elding......................! *328Equipment, guard mine. W arner................. 4 9 4Explosions, ch ief cause.....................................7 7 4Flash-over damage checked by asbestos

m ixture ............................................................. 0 4 6French have strict la w s ................... .. . * * ’ 4 3 sFuse pullers, new', hand use ................... ] ! 5 2 0Generator, diverter-pole, new. for bat­

tery ch a r g in g *780Guard board hanger, new ........................... . *327Hazards discussed by mine inspectors. . ! *353 Hazards stressed at R.M.C.M.I. winter

meeting ........................................................ 206Heater, new. electric-strip............................* 204Insulation, care o f ............................................... 1 3 2Hudson Coal Co., 50 per cent electrifica- **

tion, generates 9 kw.-hr. per ton. Ed­wards ..............................................................* 0 1 4

Electrical experience, recorded, resuitsIn standard practice . ................................*621

Maintenance, improved, reduces electri­cal troubles ................................................ *617

Impregnating tank made in mine shop! ’. *699Interlocking for m otors................. *699Law o f probability. Edwards...............' 4 9 3Lignite burned in Texas plan t................. . 4 2 9Line starters, new, ‘ 'Deion” contactors. *450

New. s im p lifie d ........................................ 4 « 0New, weatherproof ...................... *716

Locom otives, keeping them on the jobDean .............................................. *680 *740

Ij0t,1 va1,1 , urged to eliminate electricaldifficulties. Luxton ...................... . iq oMagnet, torn by tramp iron ..........! ! ! ! ! * * 5 0 0Magneto test results m ay mislead. . . . . 308Mechanization, growth, brings safetv

problems. Harrington . . . . * *prî>Meter, new .................................... . ! ! ! * * ’ ’ 7 1 7Mica undercutter, new, motor-driven 26?M otor, new. quiet................. * ¿ £ 0

New. explosion p r o o f ..........! .................. *k? qmnlnr ^ h r o n o u s . on New Orient fa n . *300

si stance dried*ou t. fo r insulation re-& , rK,windinX- electric,' dried' b y ' ¿¿¿rent 1 7 0

w/rc Protects workmen underPa. advances in electrification. ’ Dodge ^ 3 0

j in£” ' erane protective.............. *326Philadelphia & Reading Coal & Iron C o 'enters power held ............................. ' cno

Pole lines eliminated b y new power-conducting method ............... uu«erPower and tension transmitted b y ’ belt'

simple calculation o f .......... , . » 0P o w r development, new. C h i c a g o ' « ^ 5oi,

IV C O A L A G E Vol. 34

PageElectricity— Cont’d.

Power problems, bituminous mining1. . . . 345 Power-factor regulators take hold in

West Virginia ............................................ *98Power situation, let impartial engineer

analyze. Lively ............ ............................ 110Progressive technical men are coming

into their own. Musgrove ................... 109Push button, new. sa fe ..................................*261Relay, new, temperature..................................*264

New, for warning s ig n a ls . . ..................... 325New, multiple-linger .................................. *516New, s ig n a l-ty p e .........................................*518

Resistance o f high speed breaker stopsconverter flashing .................................... *47

Resistance, new, headlight............................. *718R otor circuit, hoist men with phase open

in .........................................................................*181Rotor phase, open for slower speeds. . . . 765Safe, making it. H ornsby.......................... 493Safeguarding equipment in gassy mines. 167ShockB. to avoid electric. Grim m ................. 493Sockets, lock, for standard lamps. . . . 764 Speed current characteristics determine

settings for time interlocks. Hardesty. *95 Spruce River beats 148 on power costs.

Edwards ........................................... .. *669Starter, new, for d.-c. m otor.........................*458

New automatic, overload ......................... *772New. dust-proof ........................................... *520New. for mine use.......................................*718

Substation, connection changes guardtwo-unit ...........................................................*178

Survey o f power distribution will enddifficulties. Grimm ........................ .. 110

Switch, drum, new .......................................... 199New, automatic, for battery charging 784New, for infrequent reversing................. *200New, mounts on any starter...................... *136New, oil-immersed ....................................... *262New’, radial ..................................................... *263New, general-purpose starters..................*263New. master and limit types.................*263New, mercury toggle...................................*264New, oil-type ............................................. 457New. gen era l-pu rpose ............................... 460New. manual-starting ............................. 516New, magnetic, across-the-line...............*516New. cam type, controls a u x ilia ries ... 520New, magnetic, oil-immersed................. 579New, cam operated, lim it........................ *717

System and regular inspection. Peake. 495Transformers, affected by heavy shooting.*307 Transmission, things that must be done

for. Walton ................................................ 177Trolley guard suggestion. G. D. B ....... *494Undervoltage device, new. time-lnterval.*196Utility acquires Kentucky m ines................. 187Utility builds coal p lant................... .. 187Voltmeter gives time-study data ...................... *444Ward-Leonard hoist, synchronous motor,

no flywheel ........................................................*500W. Va. Coal Mining Inst, discusses power

use ...................................................................... *741Electrode. See Electricity. Welding.Engine, new. gasoline-kerosene............................ *520Engineers' Society o f Northeastern Pennsyl­

vania.Discusses Schaefer roo f support....................... 395Holds meeting ................................................. 122Joint meeting with A.S.M.E....................... 247Joint September m eeting............................... 654Joint meeting with A.S.M.E....................... 705

Engineers’ Society o f Western Pennsylvania Multiple-shifting o f mines, s t u d ie s .. . . 752

Engineers and EngineeringAmerican Arm gets Russian contracts. . . *571 Opportunities in coal for the engineer. . . 252Profession to be studied ................................. 564Russian representatives study American

methods ............ .......................................... 569Equipment, maintenance and inspection. . . 344 Equipment, new, shown at Cincinnati meet­

ing, A.M.C............................... . ..........................* 3 5 5Explosions. See Accidents.Explosives. See Blasting.Export association, does it offer outlet for

American coal? Gent.................................. *25Extension. See Education.

FFans. See Ventilation.Fatalities. Sec Accidents.Federal control. See Economics.Feed-pump operation shown by blinker____*645Fertilizer, why not ( e ) .................................... 1 7 1Filters. See Preparation.Filters, new, purify a ir .................................... *133Find the horseshoe rail ( e ) ............................. 7 5 5Financial reports issued ............... 185. 313. 399,

„ ■ , „ 504, 564, 704Fire. See Accidents.Fire destroys t ip p le s ........................................... 7 7 XFire-flghting hose kept connected. . . . . . . . *117Fire extinguisher made m obile............ * 4 4 4Fire extinguisher, new, works below zero. . 134

Employs inert gas. ....................................... 1 3 5New, go in production........................ . . . . ' 518

Fire protection in mining tow n.............. 4 4 1Firefighting equipment kept sealed............ 762First Aid and Mine Rescue

Alabama first-aid contest, e leven th .____ 506Certificates awarded com panies................. 4 5 0Chemical pad. new, supplies heat.......... * 1 3 3Illinois contest set ........................ 3 0 0International meet held at K an sas'city ! ! 655 Nova Scotia miners sret award. . . .Packet. larger. needed................. ' 'Products, n e w ............................. .......... ¡¿¿ItSafety meets he ld ........................ ...............Trained men preferred. W a r n e r . '. : ; ; ' 7 5 9Virginia safety day set............ sarWest Virginia safety day set..... ;S53 KnoWorkers show skill In m eets................... .’ *505

„ P a ? 0 Fire DampIgnition by sparks. English study............ 106Piezo-electricity, ignition by. R ees..........486

Flood-lighting projectors, new ........................ *519Forecasting, the Hudson Coal Co. plan. . . .*588 Foremen, Mine. See Mine Foremen.Forepoling, Hudson Coal Co.............................. *595Forestry. Hall .....................................................*351Freight Rates

Change in Pittsburgh base rate sta n d s .. 250Export rate, railroads favor c u t ............... 566Illinois rates cut ........................................... 446Joint rail and water rates ordered................ 566Lake rates, appeal dismissed...............183:

I.C.C. refuses to suspend r a t e s . . .253:refuses to reopen case.............................. 446

Operators appoint committee to curb“ no-bill" evil ............................................... 189

Pittsburgh mines ask wider spread lakerates ................................................................ 3 1 1

Reconsigning, unlimited, opposed................ 563Reconsignment suspension attacked.......... 399Suspensions asked ........................................... 3 9 9Utah protests .................................................... 3 9 9Washed coal, attacks lower rates o n . . . . 187

Furnace, new, cools or heats........................... *261Fusain, effect on cleaned coal. M orrow. . .*145

GGas In Mines

Bleeding high-entry gas direct to return<e) ................................................................... 1 0 4

Gob pressure recorded ..................................*502Ignition ................................................................. i c eIgnition by bits. H a ll.................................... 241Methane detector, new .................................... 262Outbursts, what they are and how they

occur. B r ig g s ................................................ 2 1 1Safeguarding o f equipment in gassy

mines discussed .............. ............................ 1 0 7Gasket, new, arm ored.........................................*458Gears. See Machinery.Geology, northern anthracite field. H a ll . . *585 Germany’s coal output in 1927 shows prog­

ress toward pre-war leve l.................................*118Gob fires, discussion at Coal Mining Insti­

tute o f America m eeting................................ 4 3 3Gorman succeeds Nelli as anthracite um-„ P i r e ........... ...................................................................... 6 6Greasing. See Lubrication.Governor, regulator, new ............................... *196

High pressure, new ........................................ 460Government control. See Economics.Government relations. N.C.A. amiual meet­ing ..........................................................................Great Lakes ports, shipments o f bituminous

coal to .................................................................. 3 1 4Grinder, new ....................................................... * 4 0 0Grinders, new, r e f in e d ............................... *781Gunite keeps entries from deteriorating. . . *489 Guniting haulage slope keeps out water. . *50

HHadesty. George B., retires. Sharp is suc­

cessor.........................................................................* 1 2 1Hammond, John Hays, honored by A.I.M .E. 184Harlan County Coal Operators’ Association.

organizes mine officials ............................ 253Elects officers ................................................... 7 7 0

Hats, hard-boiled, discussed at winter meet­ing, R 3I.C .M .I................................................... o O0

IlaulagoAnti-climbing guards protect m otorm an. .*647 Dispatching expedites. Hudson Coal C o .. *607 Flat wheels run true on heavy ra ils .. *706 Good track, planned haulage, safe trans­

portation. Hudson Coal Co..................... *603Inby system facilitates advance robbing *763 Inventory get 100 pennies from track

dollar. Hudson Coal Co................................*631Locom otive, two-ton storage-battery,T new- •..........* .......... .................................. .* 4 5 7Locom otive unit, tandem, cuts costs.. 700 Signal system, low-voltage. averts starts

and stops............................................................*442Signal system, new, autom atic..........! ! ! * 7 1 8Some economics in longer m ine............ 348Spotting trip aided by roo f markers.............*045Switch position indicator.................................*644Tics, made from scrap ra ils ....................... *765Trolley wires positioned by extensions

and guys............................................................. *646Wheel sprag, safety .................................... * * 7 6 4

Heat exchanger, new .................................. ’ ’ 260new- immersion-type 460

Hilihouse. W. B., continues safety work inAlabama................................................................ 190

Holsts and HoistingBrake, hoist, new, provides for special

conditions. ........................................ . . . 2 0 0Bureau o f Mines, should hois't in ‘ intakeair.......................................................................Caging, rapid, aided by loud speaker.* 766Damage to cars avoided by tripper..........*765Hoist men with phase open in rotor

circuit............................................................. *181Man hoist, air brake on *381Passenger elevator motor in m in e .. . . * 3 9 9Polar graph makes compact record......... *382Shaft, intake, heated with hot-air blast.

Brecker .........................................................*485Ward-Leonard hoist, synchronous motor.

no flywheel.....................................................*500Wire rope conference meets............ ! ! ! ! ! 654

Hoover elected chairman Edison Committee. 399Receives John Fritz award........................... 400

Horden English crack colliery. Pierce. . . . * 4 0 6How about the others ( e ) ................. 4 0 0Human element, stressed in safety study! ! ] 63Human machine m ajor problem in coal min­

ing. Gilbertson.............................................. . * 6 7 3Hydraulic operator, new......................* 7 1 7Hydro and coal in the South ( e ) .......... .... [ 691

PageI

Idler, fo r belt conveyors, eliminates dust.*134New, conveyor-belt............................................ *519

Illinois Mining Institute, report o f summermeeting.................................................................... *425

IllinoisCap lamp ban defeated ................................394Chamber o f Commerce pushes coal.399Disaster, inviting ( e ) ............................ 372Explosion kills 7 . ............................................ 771Equipment* maintenance and inspection.

C.W.&F. Coal Co......................................... 344Fatalities least in 1929.............. .............. 510First-aid contest set.................................. 392Inspector, new, ruled o u t ............ .•.............. 127Longface mining in southern....................... 344Mechanical cleaning plants in 1 92 8 ........... *43Plans for future development. G a rc ia .. 35Steel-bin bit ca r .................................................. *762Union breaks with U. M .W .......................... 703Union dissension grow s.................................... 567Wilson appointed arbitrator......................... *445

Illumination, a fru itful field o f study. Hib-ben.............................................................................. *541

.Incline plane controlled! from car.......................*561Incline, the great ................... .............................*266Indiana

Bad roo f supported by discarded hoistrope .................................................................... *380

Bono Mining Co.. mine reopens................... 567Coal sales, to be prom oted............................. 440Indiana Fuel Conference, to hold meet­

ing.......................................................................... 184Day o f hand-loading mines is past.

Gottschalk.......................................................... *37W orld’s largest strip m ine............................ *335

Indicator, new. water-level................................... *517Induction motors. See Motors.Industrial leaders promise expenditures to

promote industry ............................................... *769Inside substations. See Electricity.Institutes and Associations. See names, as

Amer. Ins. o f Mining & Metallurgical Engineers.

Interlock. See Electricity.Insulation. See Electricity.Int. Railway Fuel Ass., appoints com m it­

tee on trade relations................................... 252Confers with operators on sale................. 397

Interstate Commerce Commission. SeeFreight Rates.

Jacks, hydraulic on loaders, im proving. . . 499 Jacksonville scale. See Labor.Joseph A. Holmes Safety Association,

awards certificates............................................ 250

KKanawha Coal Operators’ Association.

meets............................................ ..........................A. 7 0 5Kanawha Valley Mining Institute organized. 316Kansas

Pittsburg & Midway Coal Mining Co..starts big shovel...........................................253

KentuckyHarlan County Coal Operators’ Associa­

tion organizes mine officials................. 253Hazard coal bureau to be form ed ............ 251Instruction at nominal cost for miners. . 67Operators’ organization disrupted............ 318Wages increased. ............................................ 567W ithout mechanical cleaning loading

equipment lags. Cole................................ *38King Coal’s Calendar.................69. 127. 188.

253, 317, 396. 448. 508. 570, 659.709. 773

Koppers Co. merges with R heolaveur.......... 126

LL. O. X. Sec BlastingLabor (See also United Mine W orkers)

Another step ( e ) ........................................... 433Anthracite strip miners get 8 -hour day. 652Better jobs for better men. McCoy......... 555Bill introduced to waive certificates dur­

ing anthracite strikes................................ 251Bono Mining Co.. mine reopens................. 567Bonus, a labor incentive, Baum .................419Bulletin board installed at fountain . . . . *442 Central Pennsylvania miners offer to

take cu t........................................................... 63Check board, classified by jo b s .............. .*766Check-in board indicates division o f . . . *440Cheeking-in system, accurate......................*499Crew, reducing men -on. N e u m a n .. .. 757Day men, reducing num ber...................... 759Efficiency, planning for. J. A . R ............757Extras to maintain one-man crews.„ Hall ................................................................. 7 5 8Gorman succeeds Neill as anthracite um ­

pire..................................................................... * 6 6Home ownership ( e ) .................................... 636Human machine still major problem in

coal mining. Gilbertson...........................*673Hlinois union breaks with U. M. W .. . 703 Jobs for the industry’s overplus (e) . . . . 104 Machine age intensifies unemployment. . 567 Machine men. pay them well. H un ter.. 556 Machine runners, discuss situation with.

Hornsby.............................................................557Machine men, give them what thev want.

Lively.................................................................557Machine runners must have good eye­

sight, hearing. Warner............................... 556Machine runners, selecting, Rufflni......... 557Machine men. spotting. G. M. B .............. 555Men. high-class only. Strennen............... 556

January-December, 1929 C O A L A G E VPage

Labor— Cont’d..Miner should act as helper. H and. . . . 758 Morris anti-injunction biii r e w r it t e n ... . 563 One-man crew inadvisable. H ornsby. . . . 75SPheips Dodge Corporation...................* . . . 342Pittsburgh companies reduce w a g e s . . . . 311Pay by check ( e ) ........................................... 171Radios lor coal miners ( e ) ........................ 373Retirement plans for employees dis­

cussed; U. S. Chamber o f Commercemeeting. ....................................................... 3 0 1

Snift men about. Jones............................. 759Time studies uncover inefficiencies.

Ruffini ............................................................ 7 5 7Track, light, only one man needed.

Hunt .............................................................. 758Train young men. Ramsey..........................557Trip riders necessary? Bartlett................. 750Two hundred thousand more workers em­

ployed................................................................318Union officials lose in Iow a....................... 00Union Pacific Coal Co.. no Oslerization

le i ................................................................ 400Unrest, bituminous fields.............................. 505Wage cutting attacked by Cons. Coal Co. 314 Wages cut by Sonman Shaft Coal Co. . . . 302 West Ky. wages up; Illinois dissension„ .g ro w s ................................................................. 567Wilson appointed arbitrator in Illinois.. *445Workers and earnings ...............187, 240

307, 447. 508. 500. 050. 700, 772 W orker’s suggestions, accept. D ix o n .. . 758

LampsIllumination, a fruitful field for study.

Hibben. ..........................................................*541New, extension. exploHion-prpbi.................*200Safety features endangered by meddling. 101resting cabinet, new........................................*450

Let there be light ( e ) ......................................... 401Lewis requests tariff on oil im ports........... 445Lewisburg mine. See Sloss-Sheffleld Steel & Iron Co.Lignite burned in Texas plant........................ 420Lining, road or entry. See Timbering.Liquid oxygen. See Blasting Loading and Shoveling

Day o f hand-loading mines is past.Gottschalk........................................................ * 3 7

Hudson Coal Co.. machines extend limito f thin-coal mining. Brosky...............*501

Mechanical loading in far Westflourishes............................... ......................... 3 4 3

Mechanization is lifting burden from- "theshoveler. Young.......................................... *14

Saving from co-ordination ( e ) ..........! . ! ! 5 5 2Tonnage increase handled by loading ma­

chines................................. 3 3 0Machine Shops. See M ach inery..........................Load ins: Machines

Bad top and parting no bar to use. Ed-wards. ........................................ ...................*410

Bell & Zoller Coal & Mining Co.. miningmethods............................................................ 3 4 4

Consolidation Coal Co.. loading withMyers-Whalcy machine................ .............. 3 4 5

Covington loading machine, new. . *327Development in 1028. Young. ................. * 1 4Mobile loaders, Sheridan-Wyomiug Coal

Co. ..................................................... 343Power shovels at Liberty Fuel Co.*. * diV-

cussed at winter meeting R, M. C. M. I 207 Power shovel used in Kentucky. C o le .'..’ *38 Raleigh-Wyoming Coal Co. Edwards. . . *166 Storage battery fits into mechanical load­

ing............................................................... *270Wyoming, in southern. F oote .. ! ! ! . ! " ’ *216

Locomotives, keeping them on the job.Dean ............................... .................. *6 S6 *740

Locom otive sand pipe, keyed to b o x . . . . *701 locom otive , adjustable brake rod f o r . . . . *383Locom otive shipments increase........... * 312Locom otive tires, tongs used . . . . *50‘>Longface andjongw all. See Mining Methods. *-

(k Nashville applies for construc­tion authority. . . . . . . . . i s otTnationCralUr° carbonization." ’ See* Dis-

LubricationAccessories, new. .................................... *p S ! i 'i f i0 H?n ¿ ear,inP8 simplify. B acon.! ! 3 7 5w i S i , shoulil decide. Watkins.............. 378r syst,'m governs. Jones.............. 377

J new- automatic........... * 7 1 0o in d y !' 8hould have tw° oil cans'.

M ade'to d o 'T iilf d m v l]’’ Ply ’ Hunter 375continu-^

X Peake* * ! ! ' ' ! 1 ' M Stringent rules required. H om sbv..........wards sc M low -up. is n | £ a * l/' Edl '

SyHll7 er“ C !UbVi^ ti®“ ' sk™ tin« ' steda. 3 7 6

VuV-Lumber. See Mine T im bers........................... 3 7 7

MMachine Loading and Cutting

Ala. makes progress. Pies . . . . no

di* ^ ‘ « o ’ » a i ' .* 5 4 4's ligh tly .'' NorrU * ' *5| i

n o ’ h?, f •<nb^d I ,001 and heaving flow Steelw n bit ca? *_ machine- E d w a rd s.n esUtah progresses. W atts................................*7? ?Wyoming progresses. D ickinson.'.’ .'. '/. ! 4 0

PageMachinery (See also Stripping; Preparation;

Operating Ideas; Loading Machines; Pit-Car Loaders; Cutting Machines.)

Bearing, new, self-sealing ...........................781Bearings, new, applied a9 cars go through

shop. ............................................................... *117Bits, uniformly hard after lead-bath

treatment.......................................................... 384Boring and turning bars, new ....................*130Diplomacy goes a long way. C la r k . . . . 100 Do s and Dont's in handling cutting ma­

chines and runners. D obson................... 112Efficiency, low-cost at New River central

machine shop. Edwards........................... *203Equipment longevity explained...................*244Ingenuity plus system fight obsolescence

at railroad mine. Edwards.................. * 8 6Gear, compact, is better for many pur­

poses...................................................................*182Give equipment attention before it

breaks down. Gaul. ........................... 100Hats on to mine electrician. Hunter. . . . 110M otor protected by dust cap..................... *444One-man aerial tramway delivers 200

tons per hour to tipple. M orrison .. * 8 8 Roller bearing, new. interchangeable. . . ./*717 Turbine balance measured by unique

method in mine power plant................. *114Magneto. See Electricity Management, do superintendents and fore­

men have stake in? M orland...................... 484Manufacturers, among the. See Among the

Manufacturers.Marketing. See Merchandising.Markets (See also Merchandising)

Central Pennsylvania recovering lost. . . 184 Coal, in 1028. Collapse o f Jacksonville

agreement is high spot in colorlessyear ................................................................. * 5 0

On limiting production, consider.................. 24Overrun by substitutes, Utah mechanizes

its mines.......................................................... 4 1R e v ie w . . . . 120. 103. 257, 321, 387,

453, 513, 575. 040, 713, 777Study o f coal characteristics is weapon

in competitive market. Brosky. . . . . * 7 5Maryland

Night mining classes hold banquet......... 305McGraw-Hill Publishing Co.

Again broadens service to industry. . . . 183Business W eek makes b ow .............................*564McGraw, James H., honored..................... *446Mehren, E. J., appointed to traffic con ­

gestion com m ittee...................................... *658Warner, Edward P., joins A viation ..........446

Mechanical cleaning plants feature top-works construction in 1028......................... * 4 3

Mechanical Loaders. See Loading Machines, Machinery

Mechanical mining. See Machinery. Mechanization.

Mechanized heating ( e ) ....................................... 1 0 4Mechanization

Better jobs for better men. M cCoy____ 555British mines, in ....................................... 3 4 0Coal mines, should they be fully mech-

anized? M cAulifle................................... * 4 0 3Colorado, halted by difficulties. Magraw. 40 Compilation and interpretation. A. M. C. 330 Co-ordination, vital problem of. Weir *270i ranee and Belgium, in ................... * ‘ 3 4 0Growth of. means new problems * in

safety. Harrington. ......................... *282History o f, reviewed............................ .. 3 3 0Hudson Coal Co.. extends limits o f ' thi'n-

coal mining. Brosky....................... * 5 9 1Machine men. pay them well. Hunter,* * 556Machine men, spotting. G. M. B ........... 5 5 5Machine runners, discuss situation with.

Hornsby. . . ...................... 5 5 7Machine men. give them what they want*.J-jively........................ . . .Machine runners m ust' have' 'good' 'eye-

sight, hearing. Warner............................ 5 5 gMachine runners, selecting. Ruffini’..’ !.* 5 5 7 Mam issue, 1028, in battle w ith substi­

tutes. ............................................................. * 3 5Men, high-class only. Strennen. . . ! ! ! . * ! 5 5 6

,5 you1ts' change in is greatest need. Brosky.................................* 4 1 3îÎSiÎÎÉ turns from men to machinery’, uieason..................................... ................ *, i e>

c is. theme o f A.M.C. convention. 313r \r T°minate winter meeting. tt.iH.O.M.l. ................................... * ° 0 fi

Safety go forward in Alabama. F iés! ! ! " 3 9 Shoveller, lifting burden from . Young. * 1 4 “ Tempo in, the new " ( e ) . K ->5«Too many cooks ( e ) ................... ............... SHsTrain young men. Ramsey. ’ ! ! ] ............ 5 5 7Wheeling Township Coal Mining C o . . : ! 348 Why jeopardize by slighting human ele-

ment. Brosky................................... . 0 7 4M eeting^ coming 87, 124, 18fl 2>)0‘

312, 304, 447. 500, 564, 657, 706. 772 Merchandising

Anthracite producers awake to impor­tance. Dodson..........................Approach, the scientific ( e ) . ! ! .* ‘ ’ 5 5 2Arbitration, coal operators and buyers

agree to. ............................. .. 4 4 5

IoaS T o a ! df e T ? ^ . t° be DU3hK*: ; ; : SggBlotter ads take. ____ J * . . ’ * ............... 7goBrains and ability. Mahan .......... ! ! ! ! ! *8.uurns Bros., open Boston office................. 250Dock men to sim plify sizing-........................ 251Hazard coal bureau to be form ed ............ 251Hostages to ignorance ( e ) . . . . .......... 4 0 3

C^al Co-- Program. Hale. .*.’ .’ .'*633 an? I(nva Pllsh home-mined c o a l . '652

c l t t S k Pre2 ar'‘ « o n and blending click with modern program. B o o th ... 1 5 5

Merchandising— Cont’d.N.C.A. analyzes problem s...........................*677National Retail Coal Merchants discuss

problems at annual meeting.....................*303New spring drive, the ( e ) ........................... 234N orfolk & Western Ry., opens Chicago

bureau. .......................................................... 251Quality will not sell itself ( e ) ..........! ! ! 400Retailer looks at sales co-operation.

Robinson........................................................... * 3 3Retailers realize necessity o f better. ! ! ! *120Salesmanship, good ( e ) ............................... 637Sales-minded (e ) .................................... .. ! * 4 0 1Top and bottom ( e ) ............................. ! x i lTrade-praetice code as help in. M y ers .! *0

Mergers. See Economics Methane. See Fire Damp Methods mining. See Mining Methods.Middle West mining systems, report at

A.M.C% meeting.......................................................Middle West States urge home-mined coal. 564Mines. Bureau. See Bureau o f MinesMines, elimination o f marginal p roposed .. 6Mine ears. See CarsMine doors. See DoorsMine Fires. See Safety, AccidentsMine Foremen

Fair deal given and demanded if foremanis on his toes. Davis............................ 5 5

Get close to men. L ohr..................... ! ! ! ! . 305Give night worker con cess ion s ... 1 11Good supervision necessary. W a r n e r . . ! ! l l o How the foreman does his part to make

the mining o f coal pay a profit.•51*10...................................L e a r n s f r o m m is t a k e s . M a c D o n a ld '. 4 0 5« ■ o g ress 111 e f f i c ie n t o u tp u t, s p e l ls s u c c e s s

f o r f o r e m a n . W a r n e r ............................... 5 4S a f e t y p r o m o t e d b y t r a i n i n g . , . . . • 7**5 - t a c t f u l s u p e r v is i o n a s s is t s s m o o t h w o r k ­

in g o f n i g h t c r e w ........................ 1 , 1w h y d o m in e r s c h a n g e jo b s ? J A N 5 5

M in e r e s c u e . S e e F i r s t A id .M in e s a f e t y . S e e S a f e t y

M in e T im b e r s

A m e r i c a n S t a n d a r d s A s s o c ia t io n to s ta n d -«irdizc. ............ ..................... * 51

B a d to p a n d p a r t i n g 110 b a r ' to u s e ' o fl o a d i n g m a c h in e s . E d w a r d s ____ * 4 1 0

B r e a k a g e o r d e c a y < e ) ...................... " 4 B 1

p ,.a n n in s: >i> llillls u p d iv id e n d s a n d s a t i s f a c t i o n . B e n n e t t . . . n . uC o n c r e t e r o a d l in in g s . H a ll . . . I ] ................

sa<v.?vP £ ° s “ i , r r o w s a v e s t im b e r w i t h safety. Dowdle. . ...................... -»/)«C«Stf Sloes n,ot <lc‘cide. Gandy.. ! ! ! 2 3 0

t im b e r in g .1 G a u l t0 d " K o o d m in e „F o r e m a n s h o u ld d i r e c t ' t i m b e r i n g / ' h a - ~snore.. ........................... 0 7 0Good r o o t when is it bad? Edward’s * ' 237

BrennanCrin? Saves lnoney ant{ Jibes’.

L a i n l a aC o aiia C o !' I o n ^ a e e » ' ¡ ' l i n g . ' K a l i - ~ 3 ?

" ’eI1 a t* V i r g i n i a m i n e ' - i ' l l£ u x t o n C m a n ' u ld n o t d e te r m in e .

o b l ig a t io n in t im b e r i n g g r e a t e r 4 3 8 t h a n e c o n o m ic r e s p o n s ib i l i t y . J o n e s " 1 7

* '" D a 'v ie s 1' e x e r t i ‘ i a r - r e a c h in g in f lu e n c e .

P r f o n C a l m e n l’ a v e P r a c t i c a l id e a s . G ib - ~ 3 8

R e a n d 6 sT f» ry 9 t t.In i m a l ' e s m i n i n g ' e a s ie r 4 3 7 J s a f e r . P e a k e ..................... ... i>4 n

r o p e 3 d ' sllI,portR < i ^ d i s c a r d e d ¿ ¿ 1 s t

R o o f c 'o a V k e p t ' t ' i r t t b y u g f c f ' s ' e i : ' .! ! U 41

d ° iL C?nnidb1| | n9B ^ C h er0 U 9 ' , ,o t •'l l w a ’ ' s

, a n d . ^ . ¡ 7 0S e ^ i l s U m bL'r ' b in d to e ’e t h e r w i t h s c r a p

S t e e l j a c k p o s t s in s h e a r in g c u t . .............« 4 4 1

S t a l e r0r ° o i d r PJ 0 ri T e d o n m a in ^ I I IS t e e l t im b e r i n g in E u r o p e ; u s e ' o i ' ¿¿l'-- ^

l a p s i b le p r o p s . H a l l ........................o l ’ r . a c e t r e « ln ! e n t u n a v a i l i n g f e ) ! I R 3 7 S y s t e m a t i c a l l y d o n e , s h o u ld b e . W e s t ' 4

^ ™ nb^ ' n ^ 0 S tH u n t e r . i f P r ° PS a r e ' Ised

i s ' t’°

^ « bdeg m f n t . S a ^ a ^ h0dS: * * * ? ' Z\ aher introduces machine ’ to’ cut* crosV- W nVi, 4h‘ tche8- Thomas. . . _ . CrOSH Watch the cross timbers (e ) . 0 0 VW ood to steel (e ) ............ .. . . ! ! ! ! ! ! ’ * * 4 3 2

Mine Tracksi f e 810« 8, ra^- niade with steel t i e s . . . *698

5 ew’« io r w'orn joints *261Switch construction reduces hazard *m

M1]ne" aI 9lndu?trie8"b u 1 iding, Sp“ ! 's t a t T C o^ ‘ 31°

s t u d ie s m in i n g p r o b le m s . . . . . . . . i 8 9

Mini^ i ' r r ' « ? 8 (Si f a,so Machine Loading S! s tr ,»P ing : I.oadinff and

S n ' r n ' ,s s <'s Talk I t Over; Prepa- .f. 0 " , 'r vnrV fit-f 'a r Loaders; Cutting Machines.)

A n th r a c ite , recen t d ev e lo p m e n t. . . . 340

l o a d e r s f

VI C O A L A G E Vol. 34

PageMining: Methods— Cont’d.

Barrier pillar legislation goes to Gover­nor Fisher........................................................ 240

Bell & Zoller Coal & Mining: C o .....................344Bumps, what are they and why do they

occur? .............................................................. *168Coal, strength o i variable (e ) ...................235Concrete blocks for mine walls. Putman. *78 Development in Illinois, Indiana and

Western Kentucky........................................... 343Development in West Virginia, Virginia,

eastern Kentucky, Tennessee and A la­bama................................................................... 345

Ehrenfeld mine, compressed air used.Brosky ............................................................*737

Europe, thought o i, as it bears on ourproblems. Pierce........................................ *286

Evolution in ideas ( e ) ............................... 170Forecasting", Hudson Coal Co. p l a n . . . . *588Graphic records ( e ) ....................................... 553Horden, English crack colliery. P ierce .*406 Ulinois plans for future development.

Garcia........................................................................... 35Inby haulage facilitates advance rob­

bing ....................................................................*763Just a little theory, please ( e ) ................. 297Kingshill colliery, beats man-averages.

Pierce.............................................................. . *529Long faces give lumps. L uxton ............ 641Low-cost mine, what makes. Edwards.. .*523 Longface mining in southern Illinois. . 344 Longface mining. Kali-Inla Coal C o. . . . 349 Mechanization and safety go forward to­

gether in Alabama. Fies........... « . . . 39Middle West, report at A.M.C. meeting. 343 Mining turns from men to machinery.

Gleason................................................................. 215Multiple-shifting o f mines. Engineers’

Soc. Western Pa............................................ 752Pennsylvania, records, 1927, average in

1928. Dodge.......................... .................................. 35Pillars kept in line by marks on r ib s . . .*498Pitches, cutting on steep. H a ll.................*496Pittsburgh seam ............................................... 348Pneumatic picks used in Europe. H all. . *300 Re-mining old working where roof is

crushed .............. ............................................*595R ock gangways under heavy s lop e .............. 341R oof condition, bad. corrected by half-

header ............................................................ *498R oof control discussed at winter meet­

ing o f R.M.C.M.I.............................................. 209R oof in Pittsburgh No. 8 field. Werker 639R oof, mining raises th e ................................. 161Rooms slabbed, 4 per cent loss, by roof

control. Weimer ......................................... *227Snubbing pan used with machine loading

at Franklin m ine......................................... *210Ten o f 12 mines down, total tonnage up.

Edwards .......................................................... *744W. Va. Coal Mining Inst, discusses. . . . 743W ithout mechanical cleaning loading

equipment lags. Cole................................. *38W ood floor at room fa ce ................................. 762Wyoming slogan, "L et power do it."

Dickinson .................................................................. 40Misfires. See BlastingModernization and profits ( e ) ............................. 265Modernization, selling ( e ) ................................. 296Monongahela Coal Operators’ Association,

approves safety bills ...................................... 125Montana

Northern Pacific R y„ Colstrip mine, con­tracts for operation...................................... 185

Motor. test dried-out. for insulationresistance ............................................................. 115

Motors, air-jacketed ...............................................*134Museum, industrial, opened...................... 3 9 9

O

Page

NNational Coal Association:

Bituminous situation, to sh ow ................. 503Confers with railroads on s a le s ............... 3 9 7Domestic stokers, surveys.......................... 188Executive committee appointed................. 703Meets with Nat’l Retail Coal Merchants'

Assn.................................................................. 317Merchandising to be theme o f meeting. . 652 Merchandising, analyzes problems o f . , *677No-bill committee appointed...................... 189On to Cincinnati (e) .................................... 636Profit-minded, making industry m o re .. *666 Safety, discussed at annual meeting. . . 685Standardization committee m eets............... 395

National Retail Coal Merchants* Association:Annual m eeting................................................ *393Coal storage month urged........................ 657Contact committee named ........................... 187Meets with N.C.A...........................................316Slogan, prize offered for .............................. 703Standardization committee m eets............ 395

National Safety Council, to m eet........ 563Report o f annual m eeting........................... 653

New MexicoPhelps Dodge Corporation, la b or............ 342

New nlant construction. See PreparationNew Tear inventory, a. (e> ........................... 1New York State Coal Merchants’ Associa­

tion meets........................ .............................. 249Report o f annual convention................... 654

Nicholas. Fayette & Greenbrier R .R., workto start ............................................................ 1 8 4

Notes from across the sea. H all. . 106 *172, 241. *300. *378, *438, *49'6’

vt , „ , ^ *549- *838, *760Norfolk & Western Ry., opens Chicago coal bureau . ............................................................... 251

North DakotaStripping. Hall .............................................. « 0 9

ObituaryBarnard, Alexander P ...................................... 186Binkley, Leroy Goddard.................................. 773Blake, Henry W .............................................398Cameron. Frank N ......................................... 398Clark, Ralph W .................................................. 508Connery, James P ............................................. 448Duer, C. L ........................................................... 186Dukes, Glenn H ..................... ..........................508Duncan, W. G..................................................... 448Elkins, Stephen B., Jr.................................... 709Evans. Nicholas .............................................. 186Field. William K ............................................... *394Good. Isaiah ............ ......................................... 709Halbert. John A ................................................570Herd. W a lt e r ...................................................... 570Hooper. T. H ........................................................ 186Hornickel, L u t e ................................................ 127Houston, T. E. ............................................... 251Hutchinson, S. P e m b e r to n ............................ 186Landstreet. Fairfax S., Jr........................... 186Lawler. John C..................................................398Lemaire. Emanuel .......................................... 570Lomis. Anthony W ............................................ 398Manley, W. J ........................................................394McDougal, James J ......................................... 773McNamara, Mike ........................ .................... 508Miller, W. H. H ............................................... 570Mouser, Otis ...................................................*705Page. Louis Rodman ...................................... 448Paine, William A ............................................. 656Pauley, James B................................................773Perrin. Howard W ........................................... 570Perry, Samuel M................................................ 508Pickands. Henry S..........................................570Porter, John H ...............................................186Quin. Robert A .................................................. 127Robb. David B .................................................... 670Robinson. Clarence Delmar ........................ 709Ryan, Claude J .................................................709Sleeman, William ............................................773Sproul, Hugh Beil ........................................ 570Stegall, Ralph J .................................................709Strong, James Edward ................................. 127Taggart. I. M ...................................................398Thorn. George Maxwell ...........................709Tonkin. John H. ............................................398Ward. Robert R .............................................. 709Watteyne. V ictor ............................................ 570W ilcox, C. C . ..................................................... 508W ilcox, J a m e s ................................................... 394Williams. J. C................................................... 508Wilson. E. B ................ ................................... 448W oodford. W . R .............................................. 570W olfe, Grover C.................................................. 186Zeller. William M .............................................773

Oiling. See Lubrication Open shop. See LaborOhio

Boosts its coal ................................................ 503Coal washing. W heeling & Lake Erie

Coal Mining Co............................................. 344Mechanization. Wheeling Township Coal

Mining Co....................................................... 348Operators campaign to popularize coa l. . 311

Oil burners s tu d ie d .............................................. 772Oil. tariff on. requested by Lewis ............ 445

Requested by Gandy .................................... 503Oklahoma

Longface mining with Langham jacks. . 349Conveyor mining. Paris field ................. 350

On the engineer’s book shelf. .107, 173,241, 301, 761

Ontario, coal discovered on A bitibi R iver. . 566 Operators’ Association. Williamson Field,

meets ................................................................. 704Ott returned to compensation office...............396Out o f the rut (e) .............................................. 137Output suggested, limited ................................ 45Oxygen, liquid. See Blasting

Packing, lasting metallic, need not beremoved ............................................................ 118

Paint sprayer, new. portable...........................*784Paints, line expanded .......................................327

New. sealing and insulating ...................... 516Paisley offers bituminous com bination. . . . 504 Patents, recent ............ 176, 240, 305. 436.

494, 695. 759Peat, German invention to dry ......................*117Pennsylvania (See also Anthracite)

Bill to curb coal and iron police passeslegislature ..................................................... 253

Central, mines recovering lost m arkets. . 184 Coal resources, report at Coal Mining In­

stitute o f America m eeting....................423Drainage board form ed.................................. 703Legislation, barrier pillar, goes to Gov­

ernor Fisher .............................................. 249Man hoist has air brake: Inland Col­

lieries Co.........................................................*381Mechanical cleaning plant« feature top-

works construction in 1928 .................. *43Mine-flre appropriation vetoed .....................390Records o f 1927, averages in 1928.

Dodge ............................................................ 36Sonman Shaft Coal Co. cuts wages..........392To amend pillar legislation in ................. 63Westmoreland Coal Co., form s holding

company ........................................................ 449Toughiogheny & Ohio Coal Co. o f Pa..

. issues bonds ............................................. 564Permissible equipment. See Bureau o f

Mines.Permissible plates. See Bureau o f Mines.

PagePersonal Mention

Agee, E. B ............................................. 189Aitchison, Clyde B ..................................................... 66Anderson, George J.............................................. 609Ballif, S. F . Jr....................................................... 448Bayiiss, Newton ...................................................770Beardslee. James B .............................................392Berg, William E .....................................................669Bischoff. J. W ...................................................... 657Blakslee. S. W ........................................................*566Boylan, John .................................................. 448Brennan. W. D ................. ................................. *770Butler, Thomas H ..............................................609Cardy, C. B .......................................................... 509Cay ton, William P ............ ................................ 657Clark. John A. Jr............................................ 189Crawford, George W .....................................609Dean, A . W ........................................................ 509Dorsey. George ............................................... 569Dougherty. J. M ....................................................569Dunbar. F. B ...................................................... 657Duncan, William J ............................................... 770Eaton, Cyrus S ............................................................. 66Edgeworth, Joseph E ....................................... 569Edison. Thomas A ............................................ *312Edwards. J. H .....................................................669Engersoll, D. E. .................................................. 262Erskine, James A ........................................... 189Fenix, Frank G.....................................................392Fielding, John Jr.................................................669Freeman, W . J ..................................................... 392Glover. H. A ....................................................... 569Gottschalk, Charles ...................................... 657Gross, R . H ............................................................ 392Haas, Frank ............................. ......................... 122Hare. C. W .......................................................... 392Harrison. John W ............................................. 122Heaps. George F., Jr...................................... 569Hobson, Frank H ....................... ....................... 66Hoskin. A. J......................................................... 392Howard, George H ..................................................... 66Hunter, John V ..................................................... 509Jones, James Ellwood ................................... 669Keane. Edward L .................................................. 189Kimball, Dexter S................................................ 448Kirk. Roy A ...........................................................392Knode Ralph H .........................................252, 770Kraitzburg, F . E arl......................................... 509Lancaster, H. E................................................ 569Lambie. Robert M ................................................ 252

Reappointed ................................................... *767Lee. H. B .................................................................392Leisenring, Edward B ..................... ................... 252Lewis, Ernest 1............................................................... 66Lewis, Lewis C..................................................... 509Lewis. Telford .................................................... 122Lincoln, John J........................................................ 392Magee, George C................................................... 122Marks. J. B. ......................................................... 569Marks, J. H ..............................................................448Martin. J. D ........................................................... 509McAndrew. James J ...............................................252McCaa, Geo. S........................................................ 569McCarty. Frank L .................................... 709McCulloch, EdTar A ............................................122McGovern, Frank B ....................................509Miller, Rice ........................................................ 189Morflt, C. C........................................................... 252Mullins, T . C........................................................... *563Myers. Abram F ............................................................. 66Newbold, Arthur E.. Jr......................................392Newhall, Thomas ............................................. 392Oakes. William F ................................................. 189O’Neill, C h a r le s ..................................................... *770Osier, Joseph L . ............................................... 709Owens. Henry Rees ............................. .. 509Pape, D. H ............................................................. 657Piez, Charles ....................................................... 569Powell. J. W ............................................................709Read. T. T ................................................................ *392Rice, George S....................................................... *568Riddell. J. Murray ....................................................... 66Schafer. A. C....................................................... 189Sherwood. R. H ..................................................... 252Shriver, Ellsworth H .............................................709Shnnk, W. C............................................................. 44SSmith. E. W ........................................................... 122Smith, LeBaron .................................................. 122Stith. Van B ......................................................... 122Roeder, Arthur ............................................... 122Searles, J. W ......................................................... 189Wagner. Frank H ............................................. 189White. John P ........................................................ 392Wickenden. W. E .................................................... 392Wilev. W. M ............................................................. 509Wj]«hire, F . W ...................................................... 709Worthington. Robert ..........................................*770Turner. Scott ....................................................... 122Warden. C. A .......................................................... 252Weir. Paul ............................................................ 122

Phones, see TelephonesPillar legislation, to amend in Pennsylvania 63Pine bending, chart simplifies ........................... *244Pipe bending made easy .................................... 181Pipe joints, red lead and linseed for perma­

nent ...................... ...................................................... 766Pine lowered into borehole on bed o f sand.

Given ........................................................................ *413Pipe sleeves made o f wood speed reclama­

tion ........................................................................... *180Pipe threader, new, universal guides..................779Pit-Car Loaders

Development in 1928. Young ..................... *14Discussed at winter meeting o f R.M.C.M.I- 207Gathering m ole head ..........................................*763Illinois. Indiana mode o f use. Edwards. *421 Operation in mines o f Superior Coal Co.

Edwards .............................................................*267Plants, new, and equipment to be installed.

See Preparation Pocahontas Operators Association, sues

to protect name "Pocahontas" .........................771Powdered Coal. See Pulverized Coal Power, electric. See Electricity Power-Factor. See Electricity Power Shovel. See Loading Machines

Jamiary-December, 1929 C O A L A G E VII

PagePreparation

Anthracite preparation discussed. Sterling 226 Anthracite region remodelling breakers.

Hall ........................................................... . .*271Arzinger oil-flotation . ; ........................................... 43Ash, ourns coal to, with oxygen..................*382Breaker at Fidelity strip mine.

Schneider .....................................................*733Britain erecting wet and dry cleaning

plants. Hall ............................................... *27British practice detailed at Illinois Min­

ing Institute meeting ............................. *425Calcium chloride for dustless coal, dis­

cussed by Illinois Mining Institute . . *425 Calcium-chloride washer, in Britain . . . . *27 Central Indiana Coal Co., Link-Belt-Simon-

Carves washer at Allendale stripmine. Edwards ...................................... *220

Coal cleaning at Clinchfield Coal Cor*poration .................................................. 345

Coal cleaning at Marvine Colliery, TheHudson Coal C o . ..................... ....................... 342

Coal flow controlled by forks and springs. *246 Coal that meets the test produced by

mechanical. Given .................................. *83Coal washing plant. Wheeling & Lake

Erie Coal Co.................................................. 344Comparative study, wet and dry ............ 730Degradation in preparation plant. Hodges 642Dock operators adopt sizing ru les............ 398Driers:

Gordon-Davis heat .......................... 143, 153Carpenter centrifugal ......................142, 153

“ Dustless” coal (e) ....................................... 433Europe, thought o f. as it bears on our

problems. Pierce ............ ........................... *286Extensible platform for loading.................*765Filter. Laughlin .................................... 143, 153Good start, a (e ) ......................................... 170Hudson Coal Co., pleases public ............ *808Hydrotator discussed at A.I.M .E. meet­

ing: ..............................................................*162In anthracite region ............................. *271

Lockwood cleaning- equipment in Britain. *27 Mechanical cleaning plants feature top-

works construction in 1 92 8 .................... *43Mechanical preparation sweeps decks.

Smith ............................................................... *11New plants and equipment to be In­

stalled. .125. 183, 248, 315. 395, 446.5J4. 566. 653

Pennsylvania review. Dodge ................................. 36Pittsburgh Coal Co.:

Champion plant, night at th e ...................*138Champion No. 1, flow sheet. . ‘ facing 138 Champion No. 3, Library, capacity and

efficiency increased. M orrow .................*144Champion No. 4, Warden, gas and

metallurgical demands met. M orrow .*145 Continuous plant control in coal clean­

ing. Morrow ........................................ *148Mechanical . preparation clicks with

merchandising. Booth ......................... 155Preparation, new deal called for.

Lesher .......................................................... 139Preparation modernized to meet sell­

ing. M orrow . . . . ; ............................*140W ho built the new plants. L esh er.. 154

Pneumatic coal cleaning puts beehivecoke in byproduct class. B rosky.............. *663

Quality West Virginia’s aim in year justpast. Cartlidge ........................................ 39

R.M.C.M.1. reviews trends at wintermeeting ............................................................. 209

Screens, gyratory, new ....................................*782Screening equipment, nation-wide increase.

Try on and Rogers .........................................*475Shaker screens, springs cushion reversal.*116Simplex jigs at P. & R. C. & I. Co______ *271Smokeless sizes set by operators................ 398Steel and coal men argue fuel va lu es .. *162 Washed coal, attacks lower rates on . . . 187 W ithout mechanical cleaning, loading

equipment lags. Cole ............ .................. *38Static dry washer, in B r ita in .......................... *27Strip pit air-cleans fine coal ...........................*526Washer controls mounted in simple man­

ner ................. .................................................... *181Tolande-Connellsville Coal Corp., opens

preparation plant ........................................... 312Polyp bucket, new ................................................... *459Preservation, timber. See Mine Timbers Prosperity, basic conditions assure con­

tinued. in American industry. Davis . . *3

PricesAnthracite..................... .............. 1 2 9 1 9 3, 257. 321. 387. 453. 513. 575. 649. 713,

Anthracite. New York ............ 248. 505.Anthracite cut ......................................Better for coal required............Bitum inous.......................... 129 1 on °ri7

321, 387, 453. 513, 5 75 .’ 649.‘ 713; 1928nOUS SPOt C° aI price trends- 1924-

Lever law u p h e ld ..........Sees need o f education to bring u p ' . ! .Solution lies in fair .......................... I ! ! !

Processing. See Preparation Profits. See Economics Publications received,

T t 120. 177, 377. 495. 551. 694, 758 Puller-Jack,” new ........................................... 5 1 9

775508398

775*60316fi

45

Pulverized CoalPowdered-coal-burning boat launched. . Powdered coal boat to take coal men on

trial trip .........................................Pulverizer, new, impact-tvpe Shipping Board to continue fuel study*’

withao ilDWiirht W ' DaTi3' t0 com Pcte W e s t Alsek to b e c o n v e r t e d t o rml"-

verized eoa! ............ pPasses trial test ....................... . . . *

187

2515205033151S7449

PagePumps and Pumping

Acid-proof sump valve o f wood ..............*308Circulation, Champion plant, Pittsburgh

Coal Co.................................................... 142, 153Hudson Coal Co., pumps can handle 40

tons o f water per ton o f coal .............. *624Pump, new com pact, for sum p...................*198

New, turbine-type, deep-well...................*458New, deep-well type ................................. *580

Rubber used for fiber in packing pum p. *245Strainer, grit-catching, new ..........................*782Sump cleaning, basket f o r ............ ..............*308Windber Field, drainage .............................. 348

Purchases for production may be expressed 503 Pyrometer, new ................................................... 457

Quality West Virginia's aim in year just past. Cartlidge ......................................................... 39

RRails, convenient clamp used on slide. . . . *116Rails, extension, laying o f made e a s y . . . . *180Rails saved by paint ........................................... *443Rates, railroad. See Freight RatesRegulation by commission p r o p o s e d ........................ 44Requisition. See Supplies .............................Research

Coal industry cannot afford to neglect.Ely ................................................................. *29

Columbia University to develop........ .. 771Co-operation and, urged on anthracite

men ................................................................. 249Lesson in (e ) ................................................. 690

Resistance o f high-speed breaker stops con­verter flashing ......................... ...... ................ *47

Retailer looks at sales co-operation. Robin­son ........................................................................ *33

Retailers realize necessity o f better mer­chandising ..........................................................*126

Roads, run to grade ......................................... *698R ock disposal. See PreparationR ock Dusting (sec also Safety)

Explosion in rock-dusted m in e ................. *548Explosions inflate death rate. Turner. *19Machine, new. light and sim ple............ *199R ock dust, bags o f, kept close to fa ce . . . *48 Where coal dust is fine 75 per cent o f

inerts may be insufficient. M iller. . . *223 Rocky Mountain Coal Mining Institute holds

winter meeting ........................................... *206R ock Springs chapter m eets........................ 248

Roll teeth repair ........................................ . .* 6 4 7R oof in Pittsburgh No. 8 field. W erker. . 539 R oof, roof action. See Mining Methods.

Mine Timbers Rope winds evenly on auxiliary rollers. . . *310 Ropes, hoisting. See Hoisting Rope sheaves, vertical, improved by roller

bearing ........................ ......................................*380Runaway, best protection requires extra

rails ................................................................. * 4 9Prevented by wire rope ........................ *308

Ryan. Jack, friends honor ............................. 67

Safety (see also Rock-Dusting; Electricity)A.M.C. meeting, reports and d i s c u s s i o n *346 Accidents at coal mine, how to prevent:

proceedings, winter meeting, R.M.C.M.I.*231Advertise. Conley ........................................ 694Alabama presents solid front in cam­

paign. Hillhouse ...................................... 168Anti-climbing guards protect m otorm an.'*647 Attitude is mental, not physical. Edwards 759Broaden training in V ir g in ia ..................... 125Car3 held by clevis block ...................*702Central States Safety Congress; report o f

meeting . ................. ..................................... 3 9 9Cine-film stills aid meetings ..................... 701Club helps. H ornsby.................................... 694Court needed. Gandy ............................... 695Detonation, premature, protecting miner

from ..........................................................*245Disaster, inviting ( e ) ............ ’ 3 7 2Discussed by Coal Mining Ins. o f America *65Door, ball-bearing, said to be sa fe ....... *499Doors, take out. Lively .......................... 4 9 4Electrical hazards stressed at R.M.C.M.1.

winter meeting ...................................... *207Employer should not pay for training

Watkins . . . ............................................. 695Equipment, guard mine ............................... 4 9 4Example best teacher. Jones ............. 693Explosions inflate death rate. Turner. *19 Extensible platform for loadinc under

tipple ......................................................... * 7 6 5Fatality results from short fuse., metal­

lic pellet in ta m p in g ........................... *167Features o f mine lamp endangered by

meddling ................................................. ................ 1 0 1Foremanship training promotes . ’. * ! ! ’ * ’ *725French have strict electrical l a w s . . . . . ' . 488Future, what o f the? (e ) ........................ 690Germany, training in. Neuman .............. 695Good roof, when is it bad? Edwards . . 237H. C. Frick Coke Co. Makes safety

record .............................................................. 4 0 0Hats, hard-boiled, discussed at winter

meeting. R.M.C.M.1................................ 206Hoist in intake air ................................... 4 1 4How safe (e ) ................................................. 235Immunizing underground dumping (e ) 296interlock would provide safer operation. 116Joseph A . Holmes Safety Association,

awards certificate ..................................... 250

PageSafety— Cont’d.

Law o f probability in installing elec­trical equipment. Edwards .................. 493

Madison Coal Corporation receives safetyaward ............................................................. 503

Making electricity safe. H ornsby................ 493Mechanical loading causes 110 accidents. 346 Mechanization and, dominate winter meet­

ing o f R.M.C.M.1........................................... *200Mechanization and. go forward together

in Alabama. Fies ............................. .. 39Mechanization growth means new prob­

lems. Harrington .................................... *283Meetings, foremen should take hand.

Hunter .......................................................... 693Mine-flre appropriation v e t o e d ................... 390Mine fires, causes outlined ...................... 276Moral obligation in timbering greater

than economic responsibility. Jones. . 237 M ovable guard protects workman under

wire .............................................. ...................*310Movies impress workers. Stream s.............. 694N.C.A. discusses, annual m eeting.............. 685Organized effort achieves. C. B ....................... 694Photographs tell effective story o f

dangerous practices ............................. .*169Promotion, take men in partnership in.

Davis .............................................................. 695Regular check-ups prom ote........................ 115R oof conditions, treacherous, not always

discernible. Bacon .................................. 238Safeguarding equipment in gassy mines

discussed ........................................................ 167Safety psychology' ( e ) ....................................... 521Steel roo f supports urged on main haul­

age roads. J. A . R ......................................238Stimulation, avoid artificial. M cCoy. . . . 694 Stresses human element in safety study. 63 Teaching by word o f mouth. Hudson

Coal Co............................................................ 626W ho takes blame for failure? H od ges .. 693 Sand pipe installed in hoisting s h a f t . . . *118Shocks, to avoid electric. Grim m .............. 493Switch construction reduces h a z a r d . . . . *51 Timber recovery system makes mining

easier and safer. P e a k e ................. 240Timbering, careful, builds dividends and

satisfaction. Bennett ........................ 238Cost high, props used only once.

Hunter ..................................................... 237First cost does not decide. Gandy . . . 239 First— not last— time to do. G a u l.. 23d Foreman’s duty to insure good. Mc-

Maniman ..................................................... *239Good, saves money and lives. Brennen. 237 Negligence exerts far-reaching in­

fluence .................................................... 239Safe methods require group judgment.

Walton ................................................ .... 240Training saves lives. R u s s e l l ...................... 695Trolley guard suggestion. G. D. B ............. *494Ventilation and electrical hazards dis­

cussed by mine inspectors.......................... *353W. Va. Coal Mining Inst, discusses..............*742West Virginia operators approve b ills . . 125 Western Pennsylvania Safety Council

awards trophy ............................................... 254Where coal dust is fine 75 per cent o f

inerts may be insufficient. M iller. . .*.*223 Sales. See Merchandising, PricesSaw. hand, portable electric, new .................*458

New, portable, dust b low er........................*784Schaefer lining supports roof. Hudson Coal

Co................................................................................. *600Schools. See EducationScraper hoist, new. com pressed-air.................*517Scraper Loaders

Discussed at winter meeting, R . M. C.M. 1 ..........................................................................206

Recent developments in anthracite . . . . 340Scranton Coal Co...................................................341W yoming, southern. F o o t e .............................*216

Screens. See PreparationSelling. See MerchandisingSenate investigation o f mines and miners.

Watson bill arouses opposition .................... 123Sharp. J. R., is successor. Hadesty retires. *121Sheathing, steel, new ............................................*134Shooting. See BlastingShop layout speeds repairs ................................*383§hop. repair, to suit maintenance m a n . . . . *443 Shaking chutes. See ConveyorsSiren on transmission tow er............................. *702Slemp. C. Basom, acquires interest in Elk-

horn Collieries Co................................................ 186Slide rule and automatic pencil, n e w . . . . *198 Snubbing pan. See Mining: Methods Sockets. See Electricity South, mining methods in. report at

A. M. C. meeting ............................................. 3 4 5South Am erica: Coal consumption fails to

keep pace with expansion. Bradley. . . . *80 Southern Appalachian Coal Exchange

formed ......................................................................248Southern Appalachian Coal Operators’ A s­

sociation. meeting ..................................................... 6 6Elect officers . . . ............................................. 767

Southwest mining, report and discussion.A . M. C. m e e t in g ................................................. *349

Soviet coal program aided ................................. 704Speed controller, new. for fans and

blowers ................................................................... *260Speed reducers:

Efficient ..................................................................*132New. improved ................................................... *136New. heavy-duty .............................................. *198New. intermediate ...............................................*579

SprinklingDust, must keep down (e ) .................................372

Steam power. See ElectricitySteel mat. new, protects concrete floors. . . .*324Stoker, new. retort-type ..........................................261

New electric drive .......................................... 5 1 7Stoppings. See Ventilation Storage battery is fitting into mechanical

loading ......................................................................*271

VIII C O A L A G E Vol. 34Page

Stourbridge, Lion, The . . .............................. *584Strikers. See LaborStripping

Air-eleans fine coal ..................................... *520America’s largest shovel, biggest strip

mine. Hall .................................................. *720Anthracite bed uncovered by three-

million yard stripping. G iven.............. *203At Holly Grove, Walker Co., A la .............. 40Black Servant mine, unusual p ra ctices .. *081Clamshell buckets, new. pow erfu l..........*197Completes recovery. Hudson Coal C o . . . . *602 Day o f hard-loading mines is past.

Gott8chalk .................................................. ,*37Future o f industry dictates modernization

program at Allendale. Edwards. . . . *220German stripping equipment ............ . . .* 1 7 2Kansas-Missouri field .................................. 350Morea anthracite stripping ........................ 350Pittsburg & Midway Coal Mining Co..

starts big shovel ............................... 253Shovel-crane-dragline. new ....................... *197Shovel, general utility, new ......................*199Shovels, new .....................................................*135Southwest practice. Young ........................*480Steam shovel gives way to electrified

units in Ind. Gottschalk ................... *37Strip shovels, Dakota lignite field. H all. *99Stripping vs. shallow mines (e) ................. 754W orld’s largest strip m ine.......................... *335Yallourn, Australia, stripping. H all. . 439

Stockroom . See Supplies Stuart, James & Cooke. Inc.. form Asso­

ciation ................................................................ 509Suggestion system, new ..................................*196Subsidence. See Mining Methods Substations. See ElectricitySupervision

Control o f day work should be workedout for each mine. G r im m ..................... 435

Day work can be controlled only tocertain extent. Gandy ............................ 430

Foreman needs daily costs. H ornsby. . . . 435 Factory-like mine not impossible. Ed­

wards ............................................................. 436Hand loading, will it have less to fear

from machines. S t i t h ................................ *544Scheduling day work. Jones...........................435Standards first, scheduling last. O tey. . . . 435

SuppliesBituminous coal mines spend more than

$140,000,000 for material and sup­plies in 1928 .......................................................... 40

Busy but not burdened crew does bestwork on deliveries. Peake ................. 112

Controls night delivery by careful check­ing system. Lively .............................................. 53

Co-operation is requirement o f successo f any system. Bennett . . , . . ...................... 54

Day delivery conserves time and cutsstock of. T aylor.................................... .. 53

Delivery duties well defined. J a m e s . . . . I l l Must note orders and placing for e f­

fective delivery system. W a lt o n . , . . 53 Propose plan for accurate night delivery.

Hunter ............................................................ 112Simplicity in delivery system works best

and is economical. Musgrove ......................... 53Stockroom and requisition control sys­

tem reduces inventory, upkeep cost.Hugg ................................................................. *415

Storage shed, open .......................... ..................*700Stored in metal b o x e s . . . ...............................*561Stores department methods, Hudson Coal

Co.. rank with best ............................... *629Study local mine conditions for effective

distribution. Grimm .............................. 54System in ordering. Davies..................... 495System o f delivering affected by local

conditions. Dobson ........................ 54Truck handles material safely and

ch e a p ly - ..........................................................*645Switch, new, diaphragm, for water l e v e l . .*578 Switches, electric. See Electricity Switches, railroad. See Mine Tracks

Tariff, on oil. requested by L ew is............445Fuel oil. requested by N .C .A ................... 503Coal byproducts, requested by N .C.A.. . . 566

TelephoneBuried wires insure s e r v i c e . . . ................... *427Line put into conduit at p a s s a g e ............ *116Phone and signal wires on common

bracket ............................... ......................... *644Tennessee, Alabama & Georgia R.R. sold 253 Ties. mine. See Haulage. Mine TracksTool material, new ..............................................*133Tool thieves thwarted.........................................*701Tools, handy for tim bering.............................*702Tracks, trackwork. See Mine Tracks Tractor and auto engine supply power to

wagon mine .....................................................*538Trade l i t e r a t u r e . , . , ........................ 120. 170,

240. 319, 377, 430. 511. 556, 711. 775 Trade unions. See LaborTrade Practices

Appalachian operators name b o a r d . « . . . 6 6Bituminous code adopted............................. 767Code would help coal industry. M yers .. *9 Codes adopted ..............................................*9, 6 6

PageTrade Practices— Cont'd.

Kanawha Coal Operators’ Assn. considerscode ................................................................. 705

U. S. Chamber o f Commerce discusses. . 391 Utah Coal Producers’ Association adopts

code ................................................................. 390Utah operators to hold conference............ 710National Coal Association discusses. . . . * 6 6 6 Operators’ Association, Williamson Field

considers code ........................................... . 704Transformers. See Electricity Treatment, preservative, o f mine timber is

profitable investment .................................... *49Trolley construction for permanent tracks. *546 Trolley-guard hose tied to steel messenger. *764Trolley supplies, new ............................... 197, *260Trolley support, new. for high r o o fs ..........*132Trolley tap, new. fused.................................... *457Trolley wire extensions require forem an’s

O.K....................................................... ................... 765Truck obviates dragging wire into m ine. . *51Trucks, new, high-speed.................................... *781Turbine balance measured by unique

method .............................................................. *114

uUndercutting German coal bed at 70 deg.. .*662 United Mine Workers

District 31 urges coal com m ission............. 655Illinois d'.ssens on grow s......................567, 657Illin os union breaks w ith ........................... 703Jacksonv lie agreement, collapse is high

spot in colorless year................................ *56Unrest in b tuminous fields........................... 505Watson bill rous?s storm o f opposition;

union adherents urge “ advantages” . . . 123United States

Basic conditions assure continued pros­perity in American industry. Davis. . *3

Underground load ng. See Loading Ma­chines. Mach'nery

Unsons. See Labor, United Mine Workers Universities. See EducationUnloader, new, coal and co k e .......................... *324Use o f upset fishplates insures smooth

track .................................................................... * 4 7

UtahDistillation plant, low-temperature. to bem built ................................................................. 3 9 4Trade-practice conference ............................ 710Utah Coal Producers’ Association adopt3

trade-practice code .................................. 390With markets overrun by substitutes,

mechanizes its mines. W atts............................. 41Utilities. See Electricity

vYalier introduces machine to cut crossbar

hitches. Thomas . ....................................... *9 3Valve-operating unit. new. motor-driven. . .* 2 6 0 valve-setting, air motor turns wheels f o r . . *644Ventilation

Air transmitted as cheap as electricity atWelsh colliery. Pierce............................*472

Altimeter, use o f, in modern m ine......... 346Blower fans in mechanized non-gassy

mines. Hicks ............ .................................*277Close room crosscuts to get plenty o f

fresh air at face. A llan ......................... 1 7 7Concrete stoppings tested ......................... *96Fan delivery depends on mine char­

acteristics .......................................... . *367Fan drives fit operating programs.

Hudson Coal Co...........................................*627Fan motors and clutches mounted on

unit base ..............................................*440Fans, is it time to change? Matthew’s! *467Good is essential. W arner......................... 240Hazards discussed by mine inspectors. . *353Improvement in Pa. Dodge...................... 36Impure air wipes out profits................... 1 7 7Keep in step with mine development.

J. A. R. . ................................................... 3 7 qX/fcxty m planning causes d ifficu lties ... 176 Lists necessary elements o f good system.

Griffith ........................................................... 2 3 3Motor barn, amply ventilated........... ! ! . *443Production is stepped up by im proving .. 176 Specialists, why not place in charge of.

Bennett .......................................................... 1 7 55?* T a; Mmtngr Inst, d iscusses.! . ! ! 743 Yardstick :s not how much but how*

well. Hunter ............................................ 1 7 5Virginia

Broaden safety training o f m iners. , , . 125Safety day set................................................ 5 0 6Virginia Coal Operators’ Association

elects ......................................................... 3 9 3t- » Adopt trade-practice-eode ........................ 5 0 4Volatile matter in Colorado coals, deter­

mination. Manuel and Carpenter............ 5 4 7

PageWashington letter. W ooton ............ 67, 122,

188, 449, 500, 568, 706Water system, new ................................................ *716Watson bill arouses opposition....................... 123Watson distrusts legislative remedies............ 564Welding

Blowpipe, new, aids wielding............ 262Carpenter horses made by oxwelding. . . *216Control, new .....................................................*135Electrode, new ........................................... . 5 3 0Electrode holder, new . ................................... *516Generator, new, acetylene.............................. *326

New. sheet-steel ............................................*579New. mproved ........................................... 1 9 9

Gloves, new. for protection ........................ 202Goggles, new. easily applied..................... 200Oxygen cylinder storage...................................*381Oxyacetylene machine cuts shapes..............*133Preheating cast iron be fore ............................ 381Regulator, new, two-stage, oxygen pres-„ • • • ................................................ .. 780Repairs, carbon paste assists........................*243Switch protection by arc welding........... 118>Veid?r. new. tractor type............................ *136

New. portable . ! ..........................................*262New. gas-engine-driven ................... .. . . 4 5 6New. unified ................................................. *516New. gas-engine ......................! ! ! ! ! ! ! ! *578New, gas-engine-driven ................. . . . ! 7 1 7New. tractor-mounted ........................... *720

Weld ng rod. new .......................................„ ' ’ »264Manganese-chrome-iron, new ............... 781New bronze, high-strength........................ 326

Western Maryland Night Mining Classeshoids banquet .................................................... 3 9 5

West, mechanical loading f lo u r i s h e s . . ! . . . 342West Virginia

Berwind-White Coal Mining Co., buysPocahontas c o a l ........................... 6 5 9

Black Betsy Consolidated Coal Co..‘ minesacquired by Koppers........................... 1 8 4

5 r'idy Warner Coal Co., so ld ...................... 446Buffalo-Thacker Coal Co., sold ................... 190Carlos Coal Co.. form ed.................................. 3 9 5Continental Coal Co.. buys mine. . . . ! ! ! ! 4 4 9 Pairmont mines drive fo r more business 317 Fatality results from short fuse and

metallic pellet in tam ping..........................*167Giogora Coal Co.. to open new mine. . . 316 Kanawha Valley Mining Institute organ­

ized ................................................Kingston-Pocahontas Coal Co., ’ M ine’ No.

5, blast kills 14 ....................................... 126Mechanical cleaning plants feature top-

works construction in 1928 .............. * 4 3Mining to be taught in high schools. . . . 569Operators approve safety b ills ...................... 125Ott returned to compensation o f f i c e . . . . 396 Pemberton Coal & Coke Co.. acquires

Bailey-Wood Coal Co. . ............ .. 396Photographs tell effective storv o f dan­

gerous practices ................. *169Pond Creek Pocahontas Coal Co.'.Yo’ opefinew mine ........................................................ 3 ^Quality West Virginia’s aim in year just

past. Cartlidge ....................................................... 3 9Russell Coal Co., organized................. ! ! * ‘ 1 8 5Safety day set.............. ................... 253 509Soper-Mitchell Coal Co.. s o l d . . . . . ’ ’ * 509boper-Reynolds Coal Co.. form ed____395ira ctor and auto engine supply power

to wagon m ine...................... * 5 3 8West Virginia Coal & Coke Co.. to 'b e 'so ld 308

T o be reorganized...................... 4 4 7sold .................................... . . . ! ! ! ! ! ! ! ! ! 5 0 7

estate sues form er directors. . ! ! 655 West Virginia Coal & Coke Corporation,

Va. charter granted............................... 659hamson field plans safety meet. . . . 127

•ur Xln,^ nff. Collieries. Inc.. form ed. . 566vvest Virginia Coal Mining Institute, report

o f annual meeting.................................... * 7 4 1Western Pennsylvania Safety Council,

awards trophy ..................................................... 254W’ashing. See Preparation

Winch, new, no ratchets............................... .. . 7 8 2Winches, new, for tractors................ . ! ! . ! *200Winter Quarters mine, closed............ 41Wire rope, to study ( e ) ............................. ! ! 297Wire str'pper. new ...................... 4 5 3Wiring. See ElectricityWood, art ficial from co a l...................... 9 4W ood preservation. See Mine T im b e r s " ’ workmen's compensation. Sec Labor World Power Conference, notice o f meeting 708 Wrenches, new, socket. . ................. ................*264Wyoming

Darby Coal Co.. form ed................. .. 395Duckbilling coal in southern. H a l l . . , . *331

^ ^ower do it” still slogan in Wyomingfield. Dickinson ............................... .. 4 0

Longface mining with duckbi l l . . , . ! ! ! ! 3 4 3Pine Bed Coal Mining Co.. form ed ............ 3 9 5Southern Wyoming Coal Operators' As-

sociation. elects officers ........................... 505Coal Co., Old Timers to meet 443

Old Timers’ Association meets. . . . *507- editorial ................................................ ' 4 9 0

wWages. See Labor

Washington letter. Saunders. . .......... 65S YVnmgstown extension, rejected. . . . . . . . . . 6 8

January-December. 1929

AUTHORS’ INDEX

C O A L A G E IX

jgA IL E Y . ERNEST L. Budgeting............ ?7 «3

Baum, William, Bonus, a real labor in­centive .................................................... 419

Booth, Hal E. Mechanical preparationclicks with selling:.............................. 155

Bradley. John R. South America: Coal con ­sumption fails to keep up withprogress ............................................... * 8 0

Brecker, H. F. Anthracite mine heats shaftwith hot-air b last................................*485

Briggs, Henry. Gas outbursts, what theyare and how they occu r................... 2 1 1

Brosky, Alphonse F. Compressed air atEhrenfeld mine ............................. * 7 3 7

Human element, mechanization jeopar­dized by s lig h t in g ................................*271

Machines extend limits. thin veinmining- ..................................................... *5 9 !

Mechanization needs change in minelayout ..................................................... *403

Pneumatic cleaning puts beehive cokein byproduct class ........................... *663

Study, coal characteristics, weapon inmarket .................................................... * 7 5

Q A R P E N T E R . C. B. Volatile matter inColorado coals .................................... 5 4 7

Carstarphen. F . C. Aersal tramways solve41j j transportation difficulties .................*148

Cartlidge. Oscar. Quality West Virginia'so 1 ttt ln year just past..................... 3 9Cole, W . Norris. W ithout mechanical clean­

ing loading equipment lags.......... *38

TRAVIS, ROBERT M. Basic condition as-sure prosperity .................................. *3

Dean, John S. Locomotives, electric, keep- , . Jng them on the jo b . . . . . . * 6 8 6 *740

tt' Wr' Wyoming uses power. 40Dodge, C. H In Pennsylvania the records t w ™ or 193 , become averages in 1928 35Dodson, Alan C. Anthracite producers

awake to importance o f aggres­sive merchandising ........................ * 1 7

« , PageGealy, E. J. Electrical equipment, Pitts­

burgh cleaning plants .......................*151Gent, E. V . Export association for Ameri­

can coal ............................................... *25Gilbertson, H. S. Human machine in coal

mining .................................................... *673Given, Ivan A. Loading machines dig way

into coal ................................................* 5 3 4Mechanical preparation, Simon-Carves

system ................................................... *83Preparation, Hudson Coal Co..................... *608Pipe lowered into borehole on san d .. *413 Stripping, three-million yard anthracite*203

Gleason, F . E. Mining turns from men tomachinery ............................................ 215

Gleim, E. J. How and why the Bureau o f Mines gives approval to miningequipment.......................................................... 9 7

Gordon, Robert M. Lubrication assurescontinuous operation ........................ * 1 5 7

Gottschalk, Charles. Day o f hand-loadingmines is p a s t ....................................... * 3 7

T_TALE, SYDNEY A. Hudson Coal Co.,tt „ -r, merchandising program ............... *033Hall. R. Dawson. Agriculture, coal i n . . . . 5 3 1

America’s largest shovel, biggest stripmine ............ .......................................... *729

Anthracite region rem odelling’ breakers*271 Britain erecting wet and dry plants. . . *27 Distilled-coal plant, largest in w o r ld .. *229 Duckbillnig coal in southern Wyoming*331 Geology, northern anthracite field. . . . *585 Notes from across the s e a . . . . 100

*172. 241. *300. *378. *438!c , . , , w , *549. *696t 760

tt .,Strip ®hovels, Dakota lignite field_____ *99Hardesty, L. C. Speed-current character­

istics determine settings for timecmterlocks ........................................... * 9 5Harrington, D. Growth o f mechanization ttivv. means new problems in sa fe ty .. *282 Hibben, Samuel G. Illumination, a fruitfultt- , « fleld for s t u d y ....................................... *541Hicks. Frank V. Blower fans in mechan- TTnn,«., lz™ n° n*8'assy mines; why n ot?, *277 Hillhouse, W . B. Alabama presents solidtt 1 front in safety ca m p a ig n .............. 168Hockensmith. W . D. Use and abuse o f

m me-car wheels ............................... 4 7 9Hugg, James H. Stockroom and requisition

system cuts inventory, upkeep cost*415

TUNGST, ERNST. Germany’s coal output J shows progress toward pre-war

l e v e l ........................................................*$19

T AWALL, C. E. Coal industry needs tech-nically trained men . . . . * 2 3

Lesher, C. E. Pittsburgh Coal Co. calls fornv W..r ei , n p rep a ra tion ................. 1 3 9

W ho built Pittsburgh p lants?............... 1 5 4

jy fA G R A W , R. M. Mechanization in Colo-¿a d o halted by d ifficu ltie s ............

Mahan, E. C Merchandising brains andability ...............................

Manuel. W . A. Volatile matter in ‘ Coloradocoals ................................................Marland, John. Do superintendents and* fore-

a stake in management? A rn iiu fff ' ?>* it time to change fans?'McAuliffe Eugene. Should our coal mines

1 ~ b e fu lly m ech a n ized ?................. ..Miller, F. C. When coal dust is fine 75

per cent o f inerts may be in­sufficient ............ <

gD G E W O R T H , J. E. Duckbilling coal in■nj , southern Wyoming ................. <Edwards. J. H. Central machine shop for

tt j cmciency, low power costs............ 1Hudson Coal Co., 50 per cent electri­

fication, generates 9 kw.-hr perLow-cost mine . ! ! ! . ’ ! .............................<Obsolescence fought by 'system' and*in-genuity ........................Pit-car loaders come into bitumiiious

mines ................................... 1ltH i!S n 5 iver ^eats ¿48 on power cost ' Stripping practice based on f u t u r e . . . '

up m m e 9 down, total tonnageEly. Sumner Research, 'industry cannot

331293

614523*86267669220744*29

JTIES, MILTON H. Mechanization andsafety go forward together in

, Alabama 0 0C- C„ prilling1 and blasting- for

mechanical loading- in southernWyoming ........................................... *216

Q A R C IA JOHN A. Illinois plans forfuture development ........................ 3 5

40*8

547484467

Morrison, M. P. One-man aerial tramway delivers 2 0 0 tons per hour totipple ..................................................... *S8

Morrow, J. B. Control, continuous plant.coal c le a n in g .........................................*148

Gas and metallurgical coal demands.meeting ............ .................................... 1 4 5

Increasing capacity, efficiency. Library(Pittsburgh Coal Co.) ......................*144

Preparation, modernization at Pitts­burgh Coal Co......................................*140

Myers, Abram F. Trade-practice code incoal in d u s try .................................................. * 9

"VTORRIS, R. V.. JR. Anthracite regionshould install more lo a d e r s .......... 41

pE T E R S E N , H. Delay caps, blasting for x mechanical loading in Utah . . . . *217Pierce, James H. A ir transmitted as cheap

as e le c t r ic ity ........................ ................ *472Europe’s thought and America’s prob-_ lems ......................................................... .*286Horden, England’s crack colliery. . . . *406

Putman, L. T. Concrete blocks for minewalls ....................................................... * 7 8

D. W . Piezo-electricity may ignite....... .................................................. 486

463

223

T3EES,sas ..............................

Robinson. Milton E., Jr. Retailer looks atsales co-operation .............................. * 3 3

Roe, A . C. Armature maintenance and re­pair ........................................................ *369

Rogers, H. O., and F. G. Tryon. Bituminousconsumption in 1927 ....................... *30

Increase in screening equipment.............. *475

gA U N D E RS, R . E. W ashington letter. . . . 658

Schneider. H. S. Breaker. Fidelity stripmine .......................................................*733

Smith, H. D. Mechanical preparation. . . . *11 Sterling, Paul. Good cleaning equipment—

yes. but is that a ll? ...................... .. 225Stith, Van B. Forem an's part in mining

coal at a p r o f i t ................................... * 9 1Close supervision and hand loading as

compared to m a c h in e s ...................... * 5 4 4

'T 'HOM AS, THOMAS C. Investigation un­covers misfire causes in anthra­cite mines ........................ .................... 1 6 5

Thomas, T. J. Valier introduces machineto cut crossbar h itches.................. * 9 3

Tryon. F . G.. and H. O. Rogers. Bitumi­nous consumption in 1927 .......... *30

Increase in screening equipm ent............... *475Turner. Scott. Explosions inflate death

rate ......................................................... * 1 9

■^^TATTS, A. C. Utah mechanizes m in es.. 41

Weimer, W. H. Rooms slabbed with 4 percent coal loss ....................................... *227

Weir, Paul. The vital problem o f co ­ordination .................................... *270

Wcrker. Howard L. R oo f in PittsburghNo. 8 f l e l d ............................... .. 539

W ooton, Paul. Washington letter. .67 . 122.188. 449. 506

Y ’OÜNG, C. M. Southwest stripping prac-t i c e ............................................................. *480

Young, L. E. Mechanization lifting burdenfrom the s h o v e le r ............................. * 1 4

X

MINE AND COMPANY INDEX

C O A L A G E Vol. 34

PageA

Admiralty Coal Corp., f o r m e d ......................... 247A jax Smokeless Coal Co., o rg a n ize d ............. 185Allegheny-Pittsburgh Coal Co.. shop layout.

speeds repairs ...............- ................................ *383Amalgamated Coal Corporation, goes into

hands o f receivers ............................................. 660Ameagle mine, inby haulage facilitates ad­

vance robbing .................................................. *763American Rolling Mill Co.. conveyor in­

stalled in Nellis (W . V a.) mine -------- *2S9Gunite keeps roof from deteriorating . . * 4 8 9

Apex Coal Co.. s o l d ...................................... - . 509Arkwright Coal Co., loading machines dig

their way into coal. Given .........................*534

BBell & Zoller Coal & Mining Co., mining

methods .................................... ..................... 344Signal system, low voltage, averts atarts

and stops on grade ...................................*442Steel, concrete and oak hold mine roo f . . *470

Ben Franklin Coal Co., re s u m e s .................... 317Berwind-Whlte Coal Mining Co.. buys Poca­

hontas coal ..................................................... 659Car retarder. pneumatic ................................ *441Drainage and pumping ................................. 659

Black Betsy Consolidated Coal Co., acauiredby Koppers ......................................................... 184

Black Diamond Coal & Mining Co., form sfirst-aid association ............................... 316

Blue Diamond Coal Co., to open m in e ............ 396Bono Mining Co., mine reopens....................... 567Boone County Coal Corporation, ten o f 12

mines down, total tonnage up. Ed­wards ......................................................................*744

Boulder Valley Coal Co., wage increaseawarded ................................................................ 397

Brady Warner Coal Co., s o l d ............................ 446Broomhill Collieries, Ltd., wood wedges on

shaker avodd bridging da^s............................. *500Buckeye Coal Co., adjustable brake rod for

locom otives ..................................................... *3S3Bulletin board at fountain ...........................*442Buried wires insure mine phone service. .*425Firefighting equipment kept sealed........... 762Trolley wire extensions require forem an’s

O.K....................................................................... 764Bu ft alo-Th acker Coal Co., s o l d . . . . .............. 190Burns Bros., open Boston office ..................... 250Butler Cons. Coal Co., mining and prepara­

tion at new p la n t ......................................... *425Ready-mixed concrete for mine w ork. . . . 560

CCalumet Fuel Co., interlocking for m otors. .*699 Canyon Coal & Coke Co., aerial tramway.

Morrison ............................................................. * 8 8Carlos Coal Co., formed ..................................... 395Carnegie Coal Co.. reduces wages ................ 311Central Indiana Coal Co.. future o f strip­

ping dictates modernization program.Edwards ..............................................................*220

Chartiers Creek Coal Co.. fire destroystipple . ................................................................. 659

Chesapeake & Ohio R.R., cine-film stillsaid safety ......................................................... 701

Four years, mechanical loading, dictatesmore ................................................................ *675

Chicago. Wilmington & Franklin Coal Co..fire extinguisher, m o b i le .......................... *444

Forms Admiralty Coal Corp............................247Clinch River Fuel Co., o rg a n ized ....................... 449Cldnchfield Coal Corporation, coal cleaning. 345Coal River Collieries Co., to be so ld ? ..................... 63Consolidated Coal Co., buys National Coal

& Coke Co....................................................... 127Mines resume operation ................... .. 317

Consolidation Coal Co., check-in board indi­cates labor division ................................... *440

Insures em p loy ees ................. .......................... 447Mines resume o p e r a t io n ................................ 317Wage cutting a tta ck e d ............................................................. 314

Continental Coal Co., buys m in e .................... 449Cosgrove-Meehan Coal Co., pit-car loaders,

how used. Edwards ...................................... *421Coxe Bros. & Co., controlled by Jeddo-

Highland ............................................................. 121Crozer Coal & Coke Co.. fire protection. . . 441

Motor protected by dust ca p ........................*444New- bearings applied to cars. ..................... *117Power-f actor regulators ................................ *98

DDarby Coal Co., f o r m e d ................................... 395

E. C. Minter Coal Co., low-cost mine.Edwards ..............................................................*523

East Coal Co., mines resume ...............................317Electric Shovel Coal Corporation, air-cleans

fine coal .............................................................. *526Elkhorn Coal Corp., mines re s u m e ...................317Elkhorn Collieries Co., C. Bascom Slemp

acquires interest .............................................. 186Enoa Coal Co., world's largest strip mine.*335

Page

Fordson Coal Co., gathering mole head forpit-car loaders .................................................*763

Franklin County Coal Co., snubbing panswith machine loading ................................. *210

Pit-car loaders, how used. Edwards. . . .*421Franklin mine ............................................................... ........... . *402

GGlen Alden Coal Co.. buys Grand Tunnel

Coal Co............................................................ 126Buys Lehigh & Wilkes-Barre Coal C o.. . 652 Lehigh & Wilkes-Barre sale to be voted

on .................................................................... 767Replaces jigs with R h e o la v e u r .................*271

Glendale Coal Co.. resumes operation.......... 317Glogora Coal Co., half header corrects bad

roof condition ..............................................*498To open new m in e .........................................316

Gordon Creek Coal Co., new mine opened. . . 41Grand Tunnel Coal Co., holdings bought by

Glen Alden ....................................................... 126Greenville Coal Co., timber sets bound with

scrap track r a i l s ..............................................*382Gulf States Steel Co.. lumber well cared for*118

nH. C. Frick Coke Co., makes safety record 400 Haddock Mining Co., closes Black Diamond

colliery ...............................................................394Harlan Fuel Co.. pillars kept in line by

marks on r i b ......................................... *498Shop to suit maintenance m e n .................... *443Trolley line for permanent t r a c k ..................*546

Hillman Coal & Coke Co., buys m ine.............. 448Himler Coal Co., Himlerville mine reopens. . 127Holly-Grove mine, stripping............................. 40Hudson Coal C o.:

Air motor turns wheels for valve setting*644 Ammeters indicate condition relay cir­

cuits .............................................................. *646Anti-climbing guards protect m otorm an.,*647 Borehole cable terminal cuts erection

costs ................................................................ *647Cars held by clevis b lo ck ................................*702Chance process installed............................... *43Coal cleaning. Marvine colliery................... 342Dispatching expedites haulage................... *607Electrical experience, recorded, results

in standard practices............................... *621Electrification. 50 per cent, generates 9

kw.-hr. per ton. Edwards......................*614Extensions, guy wires, position trolley

wires .............................................................. *646Fan drives fit operating programs.............*627Feed pump operation shown by blinker. .*645 Flat wheels run true on heavy rails. . . .*766Forecasting ........................................................*588Good track, planned haulage, safe trans­

portation ....................................................... *603History o f development..................................*583Inventory gets 100 pennies from track

dollar .................................................................*631Keeping the home fires burning. H a le .. *633 Locom otive unit, tandem, cuts c o s t s . . . 700 Machines extend limits, thin-coal m ining. *591 Maintenance, improved, reduces electrical

troubles ..........................................................*617Preparation. Given ......................................... *60SPumps can handle 40 tons water per

ton coal .............................................................*624Re-mining old workings with crushed

roof ....................................................................*595Rheolaveur treats silt at M arvine...............*271R oll teeth repair.................................................*647Schaefer lining supports r o o f ...................... *600Scraper spreads rock on ban k...................... *643Signal cable, reeling, cuts shotfiring

mishaps ............................................................*643Signal and phone wires on common

bracket .............................................................*644Spotting trip aided by ro o f m ark ers.. . *645Stocks, improves co a l....................................... *271Stores department methods rank with

best ................................................................... *629Stripping completes recovery.........................*602Switch position indicator................................*644Teaching safety by wrord o f m outh........... 626Treated timber promises econom ies............ * 630Trolley-guard hose tied to steel messen­

ger ....................................................... *760, *764Truck handles supplies safely and

cheaply ............................................................*645Humbert Coal Co., to rebuild breaker........... 189Humphreys Coal & Coke Co.. pneumatic

coal cleaning. B rosky.................................... *663

Ingle Coal Co., opens new m ine....................... 251Inland Collieries Co., air brake on main

hoist ................................................................ *3S1Ventilation, ample, in m otor barn ..............*443

Island Creek Coal Co., fan motors andclutches on single base............................ *440

N o. 22 mine reopens....................................... 127Special tie for track cutters..........................*558

Page

Jeddo-Highland Coal Co.. cleans coal withChance cones ............................................... *271

Controls Coxe Bros........................................... 121Receives safety award..................................... 450Simon-Carves washer to be installed. . . *271

Jones & Laughlln Steel Corp. Link-Belt- Simon-Carves washer described. G iven .. *83

KKali-Inla Coal Co.. Longface mining with

Langham jacks ................................................. 349Kellys Creek Colliery Co., incline plane con­

trolled from ca r ................................................*561Kenmont Coal Co., shaking conveyors.......... *38Kingshill colliery, beats man-average........... *528Kingstofi-Pocahontas Coal Co., Mine No. 5,

blast kills 1 4 ..................................................... 126Kinloch mine, explosion kills 4 6 .................. *247Knott Coal Corp.. power shovel.................... *38

LLehigh Coal & Navigation Co., buys and

sells by test................................................... 291Hydrotator at Greenwood colliery................*271Reforestation. H a l l ........................................ *351Rheolaveur at Cranberry.............................. *271Segregation o f properties proposed............ 703Stripping, three m illion yard. G iv e n .. . *203

Lehigh Valley Coal Co., pipe lowered intoborehole on bed o f sand. Given........... *413

Rheolaveur at Dorrance colliery...............*271Liberty Fuel Co. installs new screening

plant at Latuda m ine.......................................... 41Logan-Chilton Coal Co., uses shaking con­

veyors in Logan field.................................*487Loup Creek Colliery Co., fights obsolescence

at railroad mine. Edwards.................... *8 6

MMadeira-Hill & Co. Morea Stripp ing ........... 350 .Madison Coal Corporation, receives safety

award ................................................................. 503Markle Corporation form ed............................... 445

NNational Coal Co., new mine opened............ 41National Coal & Coke Co., sold to Con­

solidated Coal Co...................................... .. 127New England Fuel & Transportation Co..

foremanship training promotes sa fe ty .. *725 New River Co.. locom otive bumper has

safety features ........................................... *559Rail extensions made with steel ties. . . .*698 Warehouse card cases mounted on turn­

table .............................................................. *179Nickel Plate Coal Co.. pit-car loaders, how

used. Edwards ................................................*421North-East Coal Co., Whitehouse mine

closed ............................................................ 249Extensible loading platform under tipple. *765

Northern Pacific Ry.. Colstrip mine, con­tracts for operation................. ....................... 185

OO’Gara Coal Co., ball-bearing mine door.

safe ..................................................................... *499Ogle Coal Co., bad top and parting no bar

to use o f loading mach'nes. Edw ards.. .*410 Old Ben Coal Corporation:

Bender takes heavy-gage iron ................... *559Cable suspension in borehole......................*561Explosion kills 7 .............................................. 771Filling tamping bags .................................... *384Longface m in in g .............................................. 344Pit-car loaders, how used. Edwards. . . . *421 Siren mounted on transmiss'on t o w e r . . . *702

Old Dominion Anthracite Coal Co.. mines resume ............................................................... 317

Peabody Coal Co.:Bit-sharpening furnace fueled by gravity. ‘ ^Ol Caging, rapid, aided by loud s p e a k e r .. . . 766Damage to cars avoided by tripper..........*765Im proving hydraulic jacks on loaders.. . 499 Pit-car loaders, how used. Edwards. . . . *421 Polar graph makes com pact hoisting

record ........................................... .................. *382Supplies stored in metal b oxes................... *561Storage shed, o p e n .........................................*700Ward-Leonard hoist, synchronous motor.

no flywheel . ...................................... .. *500Peerless Coal Co., new mine opened............ 41Pemberton Coal & Coke Co.. acquires

Bailey-Wood Coal Co......................................396Pennsylvania Coal & Coke Corporation, im­

pregnating tank made in mine shop. .*699 Ehrenfeld mine, compressed air in me­

chanical mining. Brosky. ............ .. * “ 3 7Phelps Dodge Corporation, labor ............ 342

January-December, 1929 C O A L A G E XI

Philadelphia & Reading: Coal & Iron Co.,enters power field .................................... 503

Rechristens coal sizes .......................... , . . 189Selling modernization ( e ) ....................... ; . . 290

Pine Bed Coal Mining Co., form ed................. 395Pine Hill Coal Co.. heats intake shaft with

hot-air blast. Brecker......................................*485Pittsburgh Coal Co.:

Aerial tramway solves transportation difficulties at Warden. Carstarphen.. . *149

Champion plant, night at t h e ................... *138Champion No. 1. flow sheet..........*facingl38Champion No. 3, Library, capacity and

efficiency increased. Morrow'.................*144Champion No. 4, Warden, gas and metal­

lurgical demands met. M orrow ............*145Control, continuous plant, in cleaning.

Morrow .................................................... *148Electrical equipment, fitting to new*job.Gealy .............................................................. ..Lubrication does full duty. Gordon. . . . *157 Mechanical preparation clicks with mer­

chandising. Booth ...................................... 1 5 5Preparation, new deal called for. Lesher 139 Preparation, modernized for selling. Mor­row ................................................................ ..Keuuces wages ................................................ 3 1 1R oof coal kept tight by timber set * ! ! ! *441¿ram p iron in electro-magnet................... *500

- . 5 “ ° built new plants. Lesher.......... 154Pittsburg & Midway Coal Mining Co.,

starts biir shovel......................................... 253Stripping, Kansas-Missouri field . . . . ! . ! 350

Pon ' Creek Pocahontas Coal Co., to open new mine ........................................................

S

RRacoon Coal Co., shaking conveyor..............Raleigh-Wyoming Coal Co., blast kills four

Concrete blocks for mine walls. Putman.Machine loading. E d w a rd s ........................ '

Repplier Coal Co.. expands.................Rochester & Pittsburgh Coal Co.. study* o f '

coal characteristics weapon in market.Brosky ............................................................Reorganizes sales f o r c e ..........*. *. .

R ocky Mtn. Fuel Co., miners’ tonnage im­proves .................................................................

Roden Coal Co., purchases may be expensed Russell Coal Co.. organized...............................

•38447•78166248

•75390509503185

Saxton Coal Mining Co., roo f supported bydiscarded hoisting rope..................................*380

Scotia Coal & Coke Co., extend cable serviceby self-aligning g u id e ...................................... »181

Scranton Coal Co., scraper loading...................... 341Sheridan-Wyoming Coal Co., mobile loaders 343 Sloss-Sheffield Steel & Iron Co., Lewisburg

mine ......................................................................... 4 0Telephone line put into conduit at

passage ........................................................ . * 1 1 6Washer controls mounted in simple man­

ner ..................................................................... *181Sonman Shaft Coal Co., cuts wages . . . . . . 392Soper-Mitchell Coal Co., so ld .......................... 509Soper-Reynolds Coal Co., form ed .................... 395South Penn Collieries Co., uses variable

speed m otor on Chance con e .........................*271Stearns Coal & Lum ber Co., attachment

makes bander o f winding stannd..........*180Condensate supplies tow n.............................*292

Stevens Coal Co., Chance cone at Cameronbank .....................................................................*271

Stonega Coke & Coal Co., forms AdmiraltyCoal Corp............................................................... 247

Superior Coal Co., operates pit-car loaders*. Edwards ...............................................................*267

TTrace Fork Mining Co., Storm King tipple

burns ................................................................... i 88Truax-Traer Coal Co., Black Servant mine,

unusual stripping practices.................*681Opens mine .................................... 4 4 3Stripping. Hall .............................*99

VUnion Pacific Coal C o.:

Duckbilllng coal. H all................................. * 3 3 1Hoists men with phase open in rotor cir­

cuit ................. ...............................................*181Longface mining with duckbill____ .*!.’ ! 343No Oalerization here ( e ) ............................... 4 9 0Old Timers’ Association m eets............ . . 1* 50 7Safe, sure, frugal shooting cab le .............. *443

United Electric Coal Cos., largest shovel,biggest strip mine. H a ll................. *729

Breaker, Fidelity mine. Schneider. . .* .* . **733

Page pageUnited States Distributing Corporation, ac­

quires interest in Shanferoke Coal & Sup­ply Co.................................................................. 509

United States Fuel Co., checking-in systemis accurate ......................................................... *499

Utah Fuel Co., new screening plant....................... 41

Valley Camp Coal Co., KInloch explosion kills 4 6 . . . .*2 4 7 ; caused by broken con­veyor ..................................................................... *298

Valier Coal Co., gob pressure recorded oncontinuous gage ........................................... *502

Introduces machine to cut crossbarhitches. Thomas ........................................ *93

Paint preserves rails ....................................»443Virginia-Jellico Co., wood floor at room

face ........................ ............................................ 702

W

West Kentucky Coal Co., Shamrock mine, sand pipe installed in hoisting shaf t . . *118

West Virginia Coal & Coke Co.. to be sold398 ; to be reorganized. .4 4 7 ; s o ld .. 507

Davis estate sues form er directors.............. 655West Virginia Coal & Coke Corporation, W.

Va. charter granted...................................... 659West Virginia Southern Coal Co., Mine No.

1 1 , springs on shaker screens......................*116Westmoreland Coal Co.. form s holding com ­pany ................................................................... 4 4 9Wheeling Tow-nship Coal Mining Co.,

mechanization ................................................ 3 4 8Wheeling & Lake Erie Coal Mining Co., coal

washing .............................................................. 3 4 4Winding Gulf Collieries, Inc.. form ed............ 566

Yoi ^ de Coal & Coke <*>■» blast kills nine390: workmen resp on s ib le .......................... 448Yolande-Connellsville Coal Corp., opens

plant ............................... .. 312Youghiogheny & Ohio Coal * Co*. * o f ' P a *

issues bonds for improvem ents................. 564

XII

BOSSES TALK IT OVER—LETTERS

C O A L A G E Vol. 34

PageA LLAN , A . A . Close room crosscuts to

get plenty o f iresh air at fa c e . . 177

r>ACON, JAMES. Anti-friction bearingssim plify lubrication ...................... 375

Bad roo f not always seen............................. 238Bartlett, R. A. Trip riders n e c e s s a r y ? ... . 759 Bennett. Alexander. Machine, give it a

chance ............................................................ 303Merchantable coal, getting- the mo s t . . . . 641 Supervision, tactful, assists smooth work­

ing, night crew ......................................... I l lTimbering, careful planning builds divi­

dends and satisfaction ............................. 238Ventilation, place in charge o f specialists 175

Bennett. John. Co-operation is requirementfo r success o f any system........................ 54

Shotflrers compulsory in B. C................... 642Brennan, Thomas. Good timbering saves

money, lives ..................................................... 237Bashore. Charles. Foremen should direct

timbering ......................................... ................ 376

o . B. Safety effort, organized, achieves^ success ............................... .................. 694Clark, John J. Diplomacy goes a long way 109 Conley. John. Advertise safety........................ 694

A VIES, W ILLIAM J. Fair deal givenand demanded by good forem an. 55

Timbering, negligence exerts far-reachingInfluence ....................................................... 239

Supplies, system in ordering...................... 495Davies, T. H. Safety prom otion...................... 695Dixon. Cal. Workers' suggestions, a ccep t.. 758 Dobson. Geo. Do’s and don’ts in handling

cutting machines and runners................. 1 1 2Supply delivery, system affected by local

conditions ..................................................... 54Doe, John, Practical system ............................. 303Dowdle, Oscar. Driving places narrow saves

timber with safety......................................... 305

P'DW ARDS. GEORGE. Cutting machines,J--' day - by - day upkeep prevents

breakdowns ................. ....................... 304Electrical installations, law o f prob­

ability .................................................. 493Factory-like mine not im possible..........438Safety attitude should be m e n t a l . . . . 759 Supervision necessary for best results

in blasting ......................................... 642System, close follow-up needed............ .. 376When is good roo f b a d ? .......................... 237

English, Thomas. Miners should not drillor blast .................................. .. 642

•TpARMER, C. H. Day men, reducing num- A b e r .................................................................... ............ 759

Q D. B. Trolley guard suggestion..........*494

G. M. B. Spotting machine candidates.. . . 555 Gandy, V ictor G. Day work can be con­

trolled only to certain extent. . . . 436 Machine should have two oil cans . . . . 376 Overcharging difficult to avoid in

blasting ................................................ 641Reports should be gathered for study

by foreman ......................................... 304Safety court needed ........................ .. 695Timbering, first cost does not decide. . 239

PageGaul, Fred. Equipment, give attention

before b re a k d o w n ............................. 109Night cutting is b e s t . ............................. 304Timbering, good, done first, not la s t . . 239

Gibson, Robert. Practical men have prac­tical timbering ideas........................ 437

Griffith, D. E. Ventilation, lists elementsfor .......................................................... 238

Grimm, C. T. Day work, controlling..........435Power distribution, survey w ill end

troubles ................................................ 109Shock, to avoid electric........................... 493Supplies, distribution affected by mine

conditions ........................................... 54Ventilation laxity causes difficu lties.. 176

TTA LL, F . J. Extras to maintain one-manA crews ..................................................... 758Hand, William. Miner should act as

helper .............................................................. 758Hodges. C. J. Degradation in preparation. . 642

Who takes blame for safety fa ilu re ? .. 693 Heller, S. C. Systematic oil distribution

saves time and steps..................... 375Hunter. Wm. W . Electrician, hats off t o . . 110

Machine man, give oil supply d a i l y . . . 375Machine men, pay them w ell................. 556Props used once, timber cost h ig h . . . 237Safety meeting, foreman should take

part ....................................................... 694Supplies, night delivery p lan ................. 112Ventilation, how well, not how m uch . 175

Hornsby, Walter. Explosives, designatingquantity ................................................ 642

Foreman needs dally costs ..................435Lubrication requires stringent rules. . . 375Mac was lu ck y ........................................493One-man crew inadvisable ..................... 758Safety club helps......................................... 694Talk to them ................................................ 557

Hunt. A . L. Track, light, only one manneeded ..................................................... * . • 758

J A . N. W hy do miners charge J o b s ? . . . 55

J. A . R. Efficiency, planning f o r ............. 757Steel roof supports urged.................... 238Ventilation, keep in step with develop­

ment .................................................... 176James. Thomas. Delivery duties well de­

fined ................................................. ..... 1 1 1Jones. C. W . Inspection system governs. . 377Jones. John. Bug dust vs. explosives..........642

Scheduling in disguise............................... 435Safety teacher, example b est................. 693

Jones. John W. Moral obligation is greaterthan economic responsibility................... 237

Jones. T. M. Shift men about........................ 759

T IVELY, C. E. Cutters, worked from-L-' both ends ............................................ 304

Doors, take o u t ........................................... 494Machine men, give them what they

want ..................................................... 557Night deliveries, control by checking

system ................................................... 53Power situation, let impartial engineer

analyze ................................................ 1 1 0Lohr, Benjamin. Get close to the m e n . . . . 305Luxton, John R. Long wall urged to elimi­

nate many electrical difficulties. . 109 Luxton, W. H. Air impure, wipes out

profits ................................................... 177Long face gives lum ps............................. 641Night men. give concessions................. I l lTimbering, mine foreman should de­

cide ..................................................... .. 437

PageMacDONALD, J. W . Foremen learn from

mistakes 495McCoy, H. A. Better jobs fo r better men. 555

Make inspections count, do not forgethuman element . . . . . . . . . . . . . . . 1 1 0

Safety, avoid artificial stim ulation. . . 694 McManiman, C. Foreman’s duty is to in­

sure safety by good tim b erin g .. .*239 Musgrove, J. F . Progressive technical men

com ing into their ow n ....................... 109Supply delivery, simplicity counts . . . . 53

ATEUMAN, FREDERICK. Safety in Ger-many ..................................................... 695

Crew, reducing men o n ........................... 757

OTEY, W. B. Some tricks in the trade

call for careful scrutiny................. 303Standards first, scheduling w ork last. . 435

)EAKE, C. A . Cutting needs, bossesshould report them each day. . . . 304

Machinery, save it, not o i l ..................... 377Night crew, busy but not burdened.

works best .......... .............................. 1 1 2Supplies, system in ordering.................. 494Ventilation, improvement steps up

output .................................................. 176

J^AM SEY, LEO H. Train young m en. . . . 557

Ruffini, A . J. Loading machine runners helpmake r e p a ir s ....................................... 557

Time studies uncover inefficiencies ... 757 Russell, James. Safety training saves lives 695

OTREAM S, ARTHUR M. M ovies impress^ safety on w orkers............................. 694Strennen, Stephen J. High class men only. 556

nr'AYLOR, E C. Day delivery conservestime and cuts stock o f supplies. . 53

ALTON. H. T. Electrical transmission. 177

Night delivery, note orders and placing 53 Timbering, safe, requires group judg­

ment ....................................................... 240Warner, W. E. Equipment, guard mine. . 494

Foreman, progress in output spellssuccess .................................................. 54

Machine runners must have good sight,hearing ................................................ 556

Men trained in first aid preferred..........759Oil, use particular brand for each pur­

pose ....................................................... 377Supervision, good, necessary................... 13 0Ventilation, good, essential...................... 240

Watkins. Chas. W. Lubrication, expertshould determine ............................. 376

Safety training, employer should notpay for ................................................ 695

West. John. Timbering should be system-atically done ...................................... 436