TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December...

8
A merican D yestuff Reporter INDEX TO VOLUME XV January 1, 1926, to December 31, 1926, Inclusive Indexed by Subject and Author

Transcript of TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December...

Page 1: TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December 31, 1926 ... ... 1 dye

American Dyestuff Reporter

INDEXTO VOLUME XV

January 1, 1926, to December 31, 1926,Inclusive

Indexed by Subject and Author

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5 # f

tS T ci*

fan ......,pa«i,,.......;,

K n l i : ' - -Fan ..........

jtftuit Silk- ^“rrK“*iS

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l-')ecember 1!)26 AMERICAN DYESTUFF REPORTER 865

I n d ex B y S u b je c tSubjec t Page

Absorption of Colors by Cot ton and Wool: Intluencing t h e ........... .. . . . 700A ccura te M easurem ent of Hydrogen Ion Concentrat ion as an Aid to

the Textile Chemist ( S t r a c h a n ) ......................................................................... 292Acetate Silk— Its Uves and Their Application (M u ll in ) :

P a r t I V ................... 1P a r t V ........................................................................................................ 43P a r t V I ........................................................................................................................... 81P ar t V I I ............ 139P a r t V I I I ....................................................................................................................... 153P a r t I X ...................................................................... 191I n d e x ................................................................................................................................. 285

Acetate Silk: T he Dyeing of ( D a v ie s ) ................................................................. 197A cetate Silk: T he Dyeing of ( R a e te l ) ............................................. ..............._• • • 387A f te r t r ea tm en t on the Fastness to Light of the Xaphthol AS Combina­

t ions: Investiga tions on the Influence of the ( K a y s e r ) ....................... 638A m erican Association of Textile Chemists and Colorists

[See u n d e r “ Proceed ings” ]A m erican Chemical Society:

P apers of the Dye D ivision ...................................................................................... 587Report of Dye D iv is ion ............................................................................................... bl5Division of W ater . Sewage and Sanitation— A b s trac ts ............................... 654

A m er ican Cotton In d u s t ry : The.^.................................... .............^ ...................... 556A m erican Dyes: P roduc t ion and Sales of, Increased in 1925.................... 288Amino Acids and Their Relation to W ool: The ( M u l l i n ) ........................... 445A m ino and Carboxylic Groups and Su lphur in W ool: The ( M u l l i n ) . . . 499A niline Poisoning from the Dye Baths? ( B e a t t i e ) ........................................... 567A nti-D um ping Law: The ( L e r c h ) . . . . . ........................... .................................... 519Application of Resorcin in Calico P rin t in g (S c h n eev o ig t ) ........................... 504Application of X-rays in the Textile Indus try ( C la r k ) ................................. 788Artificial Silk

(See also u nde r “ Rayon” ]Artificial Silk: Determination of Alpha-C'ellulose Content in (W ahlberg) 398Artificial Silk: T he S tre tch ing Propert ies o f ...................................................... 118August Klipstein ............................................................................................... ...............Azo Dyes: T he Reduction P ro d u c ts of (Holmes)

[See un d e r “ R educt ion” ]

Batik (M ije r ) ....................... - ........... .................. .̂..........■■■■;.....................................Bleachery M anagem ent: Elimination of W aste in ( C o n r a d ) ....................... 283Bleaching with Peroxides (A in sU e) ........................................................................ 203Blinding of Viscose with Insoluble Azo Colors: The ( R o w e ) .................. 538Brief Resume of the Disposal of T rad e W astes: A ( H a d l e y ) . . . . . ^ ......... 209Brief Resum e of the H is to ry of Dyeing Silk Piece Goods: A (Know-

land) ............................................................................................................................. ^^3

Calico P r in t in g : T h e Application of Resorcin in (S c h n e e v o ig t ) .............. 504Celanese: P r in t in g and Discharging of Colors on ( M i ln e ) ................ .. . . . 886Cellulose: A Brief Consideration of I t s Chemistry , with Par t icu la r Ref­

erence to the M a n u fac tu re of Rayon ( E r s e l e n ) ....................................... 166Cellulose N eede d : S t a n d a r d .................................... - ................................................. 615Chain W a rp s V at Dveing : Problems of ( E p h la n d ) .........................Chemical Executives to Meet at B ureau of Fore ign and Domestic Com­

merce ............................................................................................................................. 805Chemical F ounda t ion Suit : Governm ent L o ses .................... 694Chemical Reactions of K era t in and I t s Congeners: T he (M u l l in ) :

P a r t I ....................................... ........................................................................................

Choice of Solvent in Spectrophotometr ic Dve A n a l p i s : T he (Holm es) 247Classification of Cotton by Microscopy (Mebane and \ i b r a n d t ) ................ 2 /9Collecting the L i te ra tu re of Textile (G o ld th w a i t ) .................................................... o^2Color Lakes: Rapid Identification of ( R o b in s o n ) ...........................................C onsti tu tion of W ool: T he ( M u l l i n ) . . . . . j . . ....................................................Co operation Between B uyer and Sel ler ( R a n d ) ......................................... ..Corrosion of Nickel Alloy Singe Rolls (Trav is) • ■ ■ ■ ..............................Corrosion P re v en ta t iv e : Sodium Silicate as a (R u s s e l l ) .............................. orCotton: Oiling of. P re l im inary to Sp inn ing (Hinckley) ....... ................. ..Cotton Oil ing P rocess and I t s Relation to F in ish ing: Some Phases of

Cotton P r in t in g : New Developments in ( C o t t o n ) . . . . .................................. 42aCotton T ex tile In s t i tu te : T h e Purposes of the ( L a w ) / 2 iC otton: Textile Oils Applicable in the Dyeing and Fin ish ing of (Burn-

ham) ............................ ■■■ ■ ....................................................................... 49C o tt°n W a rp s ify the “ Chair.” M ethod: Dyeing of (S id e b o t to m ) ........... 667C ru g e r ’s Micro-analyser: A Description and Use o f .......................................

Daylight Lam ps: Recent Im provem en ts 498D eterm ination of Alpha-Cel lulose Content in Artificial Silx (W ahlberg)Developments in M erceriza tion ( H a t c h ) . . - - - ..............i’ I N- i i ..............Developments in the Naphthol A S S e n e s (H age r and M a i s s o n ) .............Discharge of V a t Colors by Reduction ( K e r n ) ..................................................Discharge P r in t in g ( D e a n ) . .................... 'A ‘ ' ' ‘ * ‘ ’r ....................... 647Dispersion of Dye in Dye L iquors : Influence o ( ) .......................

D ry C leaning T ests : Need for >V‘ ' Z' ......................... 879

E7e “ s ^ ; ? h r C h o R t o f ^ S ^ o “ f ;Dve P roduc t ion Increased , Cen.sus S h o w s ....................................Dve R esearch : Scientists Discuss . ....... ................................................................. g j 2

B y e M“x‘l ' u r e s : ^ T h f stecP^ophmorn^^^^^^ ( L S e r g e r ) ........... M7

(B ou te rse ) • • ......... ......................./ X ’i ' ’ ' . 472- Aceta te Si lk : T he ( D a v ie s ) .................................................................. \ l '

Dyeing of A ce ta te ( R o e te l ) .............................................. in«Dyeing Artificial Silk or Rayon: A Cjeneral Survey of the ( O l n e y ; . . 1^9 D^'^ing o i Bast F iber and S traw : T he ( F l e m m in g ) ....................................... 2d0

SubjectDyeing of Celanese: The ( D o r t ) ............................................................................Dveing of Cotton Piece Goods with Mineral Khaki ( H a y e s ) ................. 321Dyeing of Colton W arps by the “ Chain” Method (S idebo ttom ) ................ 667Dyeing of H a t ic r ’s Felt : The ( M a r io n ) ................................................................. 351Dyeing of Insolubl< Azo Colors (Clark and B o r h o ) ..................................... 311Dyeing of M en’s W ear Piece Dyes by the Chiomate Process; The

(Smith) .............................................................................................. • • : ................ ^5?Dyeing of Silk W hite Effects on Woolen and W orsteds (C laf l in ) ......... .. 23Dyeing of Ihiioii Shades on Hosiery Containing Rayon, P u re Silk and

Mercerized Cotton ( O rd w a y ) .............................................................................. 884Dyeing of Vat Colors on Rayon; The (W a r s h a w ) ........................................... 3Dyeing of Viscose Rayon with M ordan t Dyes: The ( D u r f e e ) • 22Dyeing of Weighted Silk Piece Goods: Pract ical Aspects of W eighting

and the ( P u l l a r ) ............................... ................................... •.•••*.; ....................Dyeing of W o rn Garments and Redyeing of New Material (Schu l tze) . . 640Dyeing 100 Years Ago: The A r t o f ..................................................................... 695Dyeing Rayon with Vat Colors ( J o h n s o n ) ...................... ................................... 162Dyeing Silk Piece Goods' A Brief Resume of the History of (Know-

land) ............................................................................ 183Dyeing: Textile (Robbins) .................................................... 605Dyeing with In d a r th r e n e Blue GCD ( D u r s t ) ................................. ................. 505Dyers and (Cleaners Have Research In s t i tu te ...................................................... 236D Y E R ’S S C H O O L OF E X P E R I E N C E : T H E :

Tracing Complaints T h a t Nearly Cost a Job ( W h i t e ) ............................... 8oTricks in All T rades ( W h i t e ) .............................................................................. 17*̂More Sleuth W ork ( W h i t e ) .................................................................................... 217Researching U n d e r Difficulties ( W h i t e ) .......................................................... 289Blaming the Bleach House for the P adder’s Fault ( B a x te r ) .................. 399Competing for Blacks ( W h i t e ) .......... ................................................................... 399Adventures in Chiffon Dyeing ( W h i le ) ........................................................... 431A Barrel of Trouble ( W h i t e ) ................................................................................ 461A Dyehouse T y ran t ( W h i te ) ...................... ............... .......................................... 517Problems in Pipe Lines and W ater ( W h i t e ) ................................................. 696A Few Per t inen t “ Parables” ( W h i t e ) .............................................................. 773Early “ Lab” Troubles (H ang D o ) ..................................................................... 837

Dyes Imported[See “ Fore ign” ] .

Dyestuffs Industry , F o re runne r of W hat : T he (Du P o n t ) ......................... 627Dyestuff M anufac tu re r and Consumer: The Relation Between (M etz) 825D Y E S T U F F T A B L E S .........................................................................*••3?, 70, 102Dyestuff Trade-—Import and Export Charts for 1925-26: U nited States 76.3

E D IT O R I A L S ;Retrospections of a S pec ta to r .............................................................................. 37Shade (Jard Inform ation Regarding Action of Dyes to M eta ls ............. 38Mr. F re a r A g a in ............................................................................................................ 67The Commercial League of N a t ions ...................................................................... 67Inconsis tent Efficiency— A Story for Rayon M a n u fac tu re rs .................... 93Leaders M ust L e a d ..................................................................................................... 93Standing Guard Over the Tariff L a w ................................................................. 137The British Dyestuffs S i t u a t i o n . . . . ............. ..................................................... 169A Plea for Reform in Rayon Buying P ra c t ice ............................................. 215An Invita tion .............................................................................................................. 216'Retire the Cripples..................................................................................................... 216Still Outside the Ranks of the Progressive ...................................................... 235.A New Twist to an Old S to ry .............................................................................. 267Safety Is N ear ing F i r s t ............................................................................................. 267Textile Chemical Specialties— Their Merits and D em er i ts ....................... 297Looking a t the Dark S id e ......................................................................................... 298The Responsibil ity of the Dyer in Rayon B uy ing ...................................... 335The Indispensable Chemist ..................................................................................... 335Inefficiency and Dyeing Costs. . .......................................................................... 369A Lesson in Curing Price Competition............................................................. 401The Textile Ins t i tu te Idea and R e sea rch .......................................................... 429T u rn in g Summer Dullness to Prof i ts ................................................................. 429The Looming Tariff F ig h t ......................................................................................... 455The F u tu re of the Dyeing A r t ............................................................................ 487The Sun on the Textile H o r iz o n ......... .............................................................. 487M anufac tu red News ............................................................. 520Admirable Co-operation .............................................................................................. 520The A. C. S. Dye Sym posium ............................................................................... 555T he Fall and Rise of the B. D. C ...................................................................... 555'Unworkable Paten ts . . . . ........................................................................................ 555The Dyer K now s........................................................................................................... 583Beneath T rade-mark and G u aran tee ..................................................................... 583A Lesson in Indus t r ia l ism ....................................................................................... 584F o re ru n n er of W h a t ? ..........................................................................• .................... 625Collecting the L itera ture of D ye ing ..................................................................... 62.5The Growing Prestige of the Chemist ............................... ............................... 655-A Neglected Source of In fo rm a t io n ................................................................... 655-Asleep— or Ju s t S l o w ? ................................................................................................ 693Finis, and a Clean V ic to ry ....................................................................................... 693P enny Wisdom in the D yehouse ............................................................................ 731A n All-British Chemical T r u s t .............................................................................. 731Busy Textile M il ls ....................................................................................................... 731T he Tariff F ight Develops...................................... • ............................................... 769Arbitrate! ......................................................................................................................... 769The Moral in European M e rg e rs ............................................................................ 804On Collecting Technical L i te ra tu re ..................................................................... 804W here Rayon Dyeing Troubles S t a r t ................................................................... 835Germany’s Lost Dyestuff T r a d e .............................................................................. 835W orth .Studying ........................................................................................................... 836.T he Mill Executive and the A. A. T. C. C .................................................... 887The Dye Indus try Invites More In te re s t .......................................................... 887

Effects of I ro n in g and Steam ing on Cotton and W o o l .................................... 819'Eliminat ion of W aste in Bleachery Management ( C o n r a d ) ........................... 283

Fading Experim ents with the Osram Point L ight Lamp (Hochheimand Knebel) ................................................................................................................ 227

Fast Dyed Fabrics: The Increasing Demand for (V an R i p e r ) ................ 515

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S()(i AMERICAN DYESTUFF REPORTER Vol. XV, No. 22

Sul)jcct PageF astness of Dyes to the Influence of L ight: T he ( R o s e ) ......................... 90P astness to Light of Naphthol Coml)inations: Oi\ the (L o e c h n e r ) ........... 749P astness to Light of the Naphthol A S Comi)inations: Investigations on

the Influence of the A f te r t r ea tm en t on the ( K a y s e r ) ........................... 638Fas tne ss S tan d a rd s Discussed by M isbrand ing Committee: D y e ............ 888F in ish ing in the Cotton In d u s t ry ; A Contribution to the Development

of the Chemical Methods of ( B o d m e r ) ....................................................... 814P'inishing of W orsted Cloth: The ( J o h n s o n ) .................................................. 356F o ie ig n Dyes Im ported T hrough New York and Other P o r ts :

December ......................................................................................................................... 45Ja n u a ry .................................................................................... 143P'ebruary ........................................................................................................................... 194M arch .................................................. 249April .................................................................................................................................. 363May ............................................................................. 425J u n e .................................................................................................................................... 475J u ly .................................................................................................................................... 558September ...................................................................................................................... 713October .........................................................................................................• ................. 785

P>anklin Process Raw Stock Dyeing M achine (M e ta c a l f ) ........................... 186I ' ra nk l in Process System of Dyeing: The ( M u r r a y ) .................................... 316F u rs : T he Process ing of (B a i rd ) :

P a r t I ............................................................................................................................... 115P a r t I I ...................................................................................... • .................................... 171

Gagnebin, Charles L., and Plerbert W . Reed: D inner t o .................................. 656G arm ent Dyeing ( H a t h o r n e ) . . . ................................................................................ 813General Action of Acids on Wool; The ( M u l l in ) ;

P a r t I ............................................................................................................................... 751P a r t I I ................................................................................................................. 779

General Survey of the Dyeing of Artificial Silk or Rayon: A (Olney) 109G erman Dye T ru s t : C u r ren t Fusions W ith in the ( D a u g h e r ty ) ................ 592G erm an Dye T ru s t : C urren t Happenings in t h e ...................................... 456Governm ent Publications Dealing with T e x t i le s ................................................ 278

Plard W ate r and I t s Effect on the Scouring of Cotton and Wool L^nions(M orr is ) ...................................................................................................................... 845

H a t t e r ’s Fe l t : T he Dyeing of ( M a r i o n ) ............................................................... 351Plistory and Development of Bronze P r in t ing ; The (G a u m n i tz ) ......... .. . 77H ydrogen Ion Concentration and I t s Application to Textile Industr ies

(T ro tm an ) ................................................................................................ 577Plydrogen Ion Concentrat ion as an Aid to the Textile Chemist; The

Accura te M easurem ent of ( S t r a c h a n ) ........................................................... 292Hydrosu lph i tes : The M anufac tu re and Use of (H o l la n d e r ) ....................... 723

Im portance of the Technical Man to the Textile I n d u s t ry : The(Brooks) ................................................................................................................... 158

Increas ing Dem and for F as t Dyed Fabrics: The (Van R i p e r ) ................ 515I N Q U I R Y D E P A R T M E N T ;

L us te r on W oolen Y a r n .......................................................................................... 586Dischargeabili ty Test ................................................. 586

In te rna t iona l Textile Exposi t ion .............................................................................• 274In ter-re la t ion of Light and Color in D ye ing ...................................................... 472I ro n in g and Steaming on Cotton and Wool: Effects o f ............................. 819

K era t in and I t s Congeners : The Chemical Reactions of (M ull in ) :P a r t I .............................................................................................................................. 633P a r t I I ............................................................................................................................ 675

K nit t ing A r ts E x h ib i t ion ........................... ' .................................................................. 235

Laboratory , T h e Mill Chemical— Its Co-ordination with the Mill P u r ­chasing D epar tm ent ( B u r k e ) ...................................................... .•••• . ............

Launder ing of Fabrics Containing Rayon and Other Synthetic F ibers . . 397Light and Color in Dyeing: In ter-relat ion o f ......... ..................................... .. 472Liquid Su lphur Dioxide and I t s P roducts, and Their Use in the Textile

In d u s t ry ( Johnson) ............................................................................................... 682Livermore, William D. (o b i tu a ry ) .......................................................................... 728

Resolution in Memory o f .......................................................................... 796Lowell Textile School G rad u a t io n ............................................................................ 433

Making, Dveing and F in ish ing W orsteds in the South ( P u r d y ) ................ 510M E N O F M A R K I N T H E F I E L D OF D Y ES A N D T H E I R A P P L I ­

C A T IO N :Axel J . J o r g e n s e n ........................................................................ ‘

M e n ’s W e a r Piece Dyes bv the Chromate Process: The Dyeing oi(Sm ith) .....................................................................................................................

M ercerization: Developments in ( H a t c h ) .................... 715Mercerized M aterial : _ Tests f o r ................................................................................. 682Metz Given Testimonial D i n n e r ........................................... .̂........ • ........................ 770Micro-Analyzer: A Description and Use of C ruge r’s. . . . ...................... 96Micro-Analysis of Textiles; A New Ins t rum en t for the ( S e a v y ) ........... 759Microscopes and Daylight Lamps: Recent Im provem ents i n ...................... 522Microscopy: Classification of Cotton by (Mebune and Vilbrandt) . . . . 279Mill Chemical Labora tory— Its Co-ordination with the Mill Purchasing

D epar tm ent: T he (Burke) .................. ‘ ' VtU ' ’ ................ lo?Mineral Khaki: Dyeing of Cot ton Piece Goods with ( H a y e s ) ................ 321M ordan t Dyes: The Dyeing of Viscose Rayon with ( D u r f e e ) ................ 22

Naphthol AS Combinations: Investigations on the Influence of theA ftertrea tm ent on the Fastness to Light of (Kayser) . . . . . . . . . . . . 638

Naphthol A S in P r in t in g and Dveing: A Discussion on (Kielbasinski) 673Naphthol AS Series: Developments in the (H ager and M a r s s o n ) ........... 6Naphthol Combinations: O n the Fastness to Light of (L o e c h n e r ) ........... 749New Developments in Cotton P r in t in g (C o t to n ) ......... 'a ' <..........................New Solvents Made by the Hydrogenation Process (K il lhe ffe r ) ............. 345

O dors in Textiles; Research Chemists Determine Chief cause o f ........... 554Oiling of Cotton P re lim inary to Spinning ( H i n c k l e y ) . . . . . . . . . . . . ------- 13Oils Applicable in the Dyeing and Finishing of Cotton: Textile (Burn-

Oil S p ^ y : Scouring. Bleaching and Dyeing Cotton W hich H as BeenTreated with (G r im s h a w ) ................................................................................... 876

Olney Honored : P ro fes so r ........................................ ............................Ortho-Cresolinic Anilide: A S tudy of Some Derivatives of (Beattie

and Toepler) .................................. ...............................• V ' ‘i ’ ' ' 1 G '‘ V i ' ‘Osram Point-Light Lamp: Fading Experiments with the (Hochhemiand Knebcl) ............................................................................................................

P A T E N T S : ,Summary for 1925.....................................................................................................Method of Spott ing Y a r n ........................................................................................ ^^3

Chemical Production and R esearch ...................................................................... 443W aterp roof Shade F ab r ic ........................................................................................ 443

Subject PageDyeing Hanks ................................................................................................. 531Blue-(TTeen Dyestuffs ............................................................................................... 531M anufac tur ing Vat D yes........................................................................................... 531Hosiery Drying F o r m ............................................................................................... 531Trea tm ent of Cot'ton Fab r ics .................................................................................. 531Azo Dyestufl's ................................................................................................................. 552Reduction of Azo Conqioumls.................................................................................. 552Triazo Dyestuffs ..................................................................................................■ • • 552Violet Vat Dyes...........................................................................' ................................ 552Dyestuffs C'ontaining M eta ls ..................................................................................... 552Vat Sulphide Dyes ........................................................................................ 552Yellow Azo D y e ........................................................................................................... 552Black Cotton D y e ......................................................................................................... 552 .Azo Dye .................................................................................................................552, 553Diazo Dyestuffs .......................................................................................................... 552Blue Dye for W o o l ........................................................................ 552Conditioning Y arn ................................................................................................... 552Sizing C e l lu lo s e ......................................................................................♦.................... 553Colored Cellulose P las t ics ........................................................................................ 553Improving Artificial S i lk ...........................................................................• ............. 553Purification of A n th raq u in o n e ............................................................................... 553Preparing Artificial Silk Y a r n ............................................................................... 594Violet V'at D y e ................................................................................................................ 594Cloth-Finishing Apparatus ...................................................................................... 595Triazo Dyestuff ............................................................................................................ 59oDyestuffs Containing M eta ls ..................................• ............................................... 595Trea t ing Silk and (,'eliulose.................................................................................... 595Dyeing Ajiparatus .......................................................................... • ......................... 665Azo Wool D y e ............................................................................................................... 704Hydrosulphiles in S tr ipp ing ...........................................................• ...................... 704Dyeing Bone .................................................................................................................. 704Azo Dyes ................................................................. . . . • ........................................... 704Diazo Dyestuffs .......................................................................................................... 705Test-Tube Holder ............................................................................ 705Multi-Color Effects ............................................................................................. 705Waterproofing Materials ........................................................................................ 705Satura t ing Fibers ................................................................................................... '. 705Bleaching Process ...............................................................• .................................... 843Greasing Textile F ib e r s .......................................................................................... 843Treat ing Textile M a te r ia l .......................................................................................... 843Azo Dyestuff ................................................................................................................. 843Sulphur Black .............................................................................................................. 843

Paten ts for Textile Inventions: H ow to Obtain English ( V a g g ) ........... 465Peroxides; Bleaching with (A insl ie ) ...................................................................... 203Philadelphia Textile School Lines Dye K et t le s .................................................. 771Piece Dyeing: The Cause of Faults in (H e u th w a i te ) .................................... 642Poisoning from the Dye B ath? : Aniline ( B e a t t i e ) ........................................... 567Power in the South ( L e e ) .......................................................................................... 830Practical Aspects of W eighting and the Dyeing of W eighted Silk Piece

Goods Q-^ullar) ........................................................................................................ 123Practical H in ts on the P roduc tion of Bright Colors on Textile Fabrics

(S a n s o n e ) :P a r t X IX ..................................................................................................................... 374P a r t XX ......................................................................................................................... 41UP ar t X X I ...................... 439P ar t X X II ................................................................................................ 452P ar t X X I i r ................................................................................................................... 493P ar t X X IV ................................................................................................................... 528P a r t X X V .................................................................................................. 543P a r t X X V I ..................................................................... ; .......................................... 65 1

Prin t ing and Discharging of Colors on Celanese ( M i ln e ) ........................... 886Prin t ing : Discharge ( D e a n ) ...................................................................................... 717Prin t ing : The History and Development of Bronze (G a u m n i tz ) ................ 77P r in t W orks: Technical Difficulties in, and a New Aid to Their Solu­

tion (Tagliani) ....................................................................................................... 767Problems of Chain W a rp Dveing (E p h la n d ) ........................................................ 165P R O C E E D IN G S OF T H E A M E R IC A N A S S O C IA T IO N O F T E X T I L E

C H E M I S T S A N D C O L O R IS T S — 3, 49, 89, 119, 157, 197, 231, 251.291, 315, 355, 389, 477, 510, 645, 681. 715, 755, 787, 821, 847.

Production and Sales of American Dyes Increased in 1925....................... 288Processing of F u rs : The (B a ird ) :

P a r t I .............................................................................................................................. 115P a r t I I ........................................................................................................................... 171

Pro te in Compounds (M ull in ):P a r t I .............................................................................................................................. 583P ar t I I ........................................................................................................................... 571P a r t I I I . ....................................................................................................................... 607

Proteins in General and Wool in Part icu lar: The ( M u l l in ) .................... 413

Rapid Identification of Color Lakes (R o b in so n ) ............................................... 81uRaw Stock Dyeing Machine:^ Franklin Process (M e tc a l f ) ........................... 18uRayon [See a’so under “ Artificial ,Silk” and “ Acetate Silk’’]Ravon ( J o h n s o n ) ;

P a r t I .............................................................................................................................. 807P ar t I I ................................................................ 808

Rayon: A General Survey of the Dyeing of Artificial Silk or (Olney) 109 Rayon and Other Synthetic F ibers; Laundering of Fabrics Containing. . 397 Rayon: Cellulose— A Brief Consideration of I ts Chemistry, with P a r ­

t icular Reference to the M anufac ture of (E sse len ) .................................. 116Rayon: Dry-Cleaning ................................................................................................. 492Rayon Fabrics; U neven Dyeing of (C o o k ) ..................................................... 766Rayon Field: Possible Research Developments in the (D i l le n iu s ) ........... 681Rayon with M ordant Dyes: The Dyeing of Viscose ( D u r f e e ) ................ 22Rayon with Vat Colors: Dyeing ( Jo h n s o n ) ...................................................... 162Rayon: The Dyeing of Vat Colors on ( W a r s h a w ) ......................................... 3Reduction Produc ts of Azo Dyes: The (H olm es)— 72, 100. 179, 221,

240, 269, 302, 374, 405, 436, 450, 490, 523, 549, 587, 658, 701.Redyeing ............................................................................................................................. 57oRedyeing of New Material: The Dyeing of W orn Garments and

(Schutze) ...................................................................................................................Research Plans Discussed at Silk Association Annual M e e t in g ................ 268Resorcin: The Application of, in Calico P rin t in g (S c h n eev o ie t ) ........... 504R E V IE W S :

Dow, Indigo, Midland Vat. Liba B lu es ............................................................. 69The Bleaching. Dyeing and Chemical Technology of Textile F ibers . . ."̂ 99Zinc Oxide— History, M anufac tu re and Properties as a P ig m e n t ........... 299The Industr ia l Applications of Coal T a r P ro d u c t s .................................... 300Eriochrome Colors ..................................................................... 300Naphthol AvS ................................................................................................................ 300Factory Practice in M anufac tu re of Azo D y es ............................................. 300Government Specifications for Textile M a te r ia ls ........................................ .301Comparative S tudy of Paper F i l le rs ................................................................. 301Research Associates at Bureau of S ta n d a rd s .................................................. 301Intermediates for Dyestuffs...................................... 404

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Page 5: TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December 31, 1926 ... ... 1 dye

December 27, 1926 AMERICAN DYESTUFF REPORTER 867

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A Bibliography on R e sea rch ................................................................................. 460-Journa ls . Bullet ins, P a ten ts by Members of Mellon I n s t i tu te ................ 460D istn b u t io n of T ex t i le s .................. • ........................................................................ 460Subjec t Index, U. S. Government Specifications........................................... 461Chemistry at P r in c e to n ............................................................................................. 557T ransporta t ion Costs ....................................................................................557American Engineering S tandards Y ear B ook ................................! ! ! ! .* . ! 557T e a r Book, National Associat ion of Cot ton M a n u fa c tu re r s .................... 657Dyeing with Coal T a r Dyestuffs .......................................................................... 734Chemistry of Cellulose an d W o o d ...................................................................... 811Use of Glue in Coated P a p e r ................................................................................. 811

Rhea, Oldest and Newest of Textile F ibers ( H i l l ) ........................................... 251Role of Chemistry in the M anufac tu re of Silk: The ( S c o t t ) .................... 621

S cour ing Efficiency and I ts Relation to D yeing ................................................. 541•Scouring of Cot ton *and ool U nions : H a rd W ater and I t s Effect on

the (M orris) ............................................................................................................ 845Scouring. Bleaching and Dyeing Cotton Which H as Been T rea ted with

Oil Spray (G r im s h a w ) .....................' .................. ................................................. 876Selecting Dyes from an Artificial Memory ( D u r f e e ) ...................................... 393Silk Piece Goods: A Brief Resume of the History of Dyeing (Know-

land) .............................................................................................................................. 183S ilk Piece Goods: Practical Aspects of W eighting and the Dyeing of

W eighted (Pu l la r ) ............................................................................ 123S ilk : The Dyeing and Fin ish ing of, from the Clonsumer’s Standpoint

(Bouterse) .................................................................................................................. 125Silk: T h e Role of Chemistry in the M anufac tu re of ( S c o t t ) .................. 621Silks: T hrow ing as Related to Piece Dye ( L e w is ) ......................................... 120Silk W hite Effects on Woolen and W orsteds : The Dyeing of (Claflin) 23Singe Rolls: Corrosion of Nickel Alloy ( T r a v i s ) ........................................... 601Soap Building— One of a Series on Scientific W a s h in g ................................ 383Sodium Silicate as a Corrosion Preventive (R u s s e l l ) ........................................ 61Solvents M ade by the Hydrogenat ion Process: New (K il lhe ffe r ) ........... 345Some Phases of the Cotton Oiling Process and I ts Relation to Spinning

(Ear le) ....................... 18S o u th e rn Texti le Exposition Largest Yet H e l d ...................................................... 772Spectrophotometr ic Dye Arialysis: The Choice of Solvent in (Holmes) 247Spectrophotometr ic Evaluation of Dye .Mixtures: The ( H o lm e s ) ........... 189S ta n d a rd s B ureau Reports on I t s Dye S tu d ie s ...................................................... 812S team ing on Cotton and Wool: Effects of I ro n in g a n d ............................. 819S tra w : The Dyeing of Bast F iber and (F le m m in g ) ...................................... 230S tre tch ing Propert ies of Artificial S i lk ................................................................. 118S tu d y of Some Derivatives of Ortho-Cresot inic Acid: A (Beattie and

Toepler) ....................................................................................................................... 745Sulphonated Oils (C r o w e ) ........................................................................................... 379Su lphur Dioxide and I ts P roducts, and Their Use in the Textile I n d u s ­

t ry : Liquid ( J o h n s o n ) ........................................................................................... 682

Subj ect PageTechnical Man to the Textile Ind u s t ry : The Importance of ( B ro o k s ) . . 15 Technical Difficulties in the P r in t W orks and a New Aid to Their

Solution (Tagliani) .............................................................................................. 767T E C H N IC A L N O T E S F R O M F O R E IG N S O U R C E S — 41. 74, 105, 146,

177, 219, 240, 276, 306, 339, 377, 408, 441, 457, 496, 526, 564, 596,661, 703, 742, 775, 809, 842.

Tem pera ture , or the Influence of Heat on W ashing (G u e rn s e y ) ........... 422Tests for Mercerized M ater ia l ................................................................................... 582Textile Chemist: The (G re e n e ) ............................................................................... 822Textile Dyeing (R o b in s ) .............................................................................................. 605Textile Oils Applicable in the Dyeing and Finishing of Cotton (B u rn ­

ham) ........................................................................................................................... 709Textiles : Government Publications Dealing w i th ........... • ............................... 278Throwing as Related to Piece Dye Silks (L e w is ) .......................................... 120Trade Wastes: A Brief Resume of the Disposal of ( H a d le y ) .................. 209T urkey Red Oil and I ts Competitors ( P o m e ra n z ) ............................................. 577

U nion Shades on Hosiery Containing Rayon, Pu re Silk and MercerizedCotton: Dyeing of ( O rd w a y ) .......................................................................... 884

U. S. Chemical T rade Holding I t s O w n .............................................................. 732

Vat Colors by Reduction: Discharge of ( K e r n ) ............................................. 52V at Colors on Rayon: The Dyeing of (W a r s h a w ) ............................................ 3Vat Dyes for Wool ( S e ib e r t ) .................................................................................. 56V at Dyes on Cotton (T ic e ) ........................................................................................ 4yViscose with Insoluble Azo Colors: The Blinding of (R o w e ) .................. 538

W arp V at Dyeing: Problems of Chain ( E p h la n d ) ........................................... 165Washing: Soap’ Building— One of a Series on Scientific............................. 383W ater and I ts Effect on the Scouring of Cotton and Wool Unions:

H ard (Morris) ...................................................................................................... 845W ater , Sewage and Sanitat ion, American Chemical Society: Abstracts

—-Division of ........................................................................................................... 654Weighting and the Dyeing of Weighted Silk Piece Goods: Practical

Aspects of ( P u l l a r ) ...................................................................................... 123Wool in Par t icu la r: The Pro te ins in General and (M u l l in ) ............. ; . . . 413W ool: T he Amino Acids and Their Relation to (M u l l i n ) ........................ 445Wool: The Amino arid Carboxylic Groups and Sulphur in (M u l l i n ) . . 499Wool: T he Constitution of ( M u l l in ) .................................................................... 468W ool: The General Action of Acids on (M ull in ):

P a r t I ............................................................................................................................. 751P a r t I I ...................................... • ................................................................................. 779

Wool— The In troduction to a Series ( M u l l in ) ................................................. 245Woolen and W orsteds: The Dyeing of Silk W hite Effects on (Claflin) 23W'orker’s Health and Prosperity : The (W il l iam s) ........................................ 837W orsted Cloth: The Finishing of ( Jo h n s o n ) ....................................................... 356W orsteds in the South: Making, Dyeing and Fin ishing ( P u r d y ) ........... 510

X-rays in the Textile In d u s t ry : Application of (C lark) . 788

Index of AuthorsA uthor Page

A I N S L I E , T H O M A S D.—Bleaching with P e ro x id e s ........................................................................................ 203

B A IR D , W I L L I A M D.—T he Processing of F u rs :

P a r t I ................................................................................................................. 115P a r t I I .............................................................................................................. 171

B A M B E R G E R , L. L .—T he Dyeing and F in ish ing of Cot ton Piece Goods...................................... 317

B A X T E R , G E O R G E L.—D y er ’s School of E x p e r ien ce ................................................................................. 399

B E A T T I E , F R E D E R IC K S.—Aniline Poisoning from the Dye B a th ? ........................................................... 567

B E A T T I E , F R E D E R IC K S. (in collaboration with CA R L T O E P ­L E R ) —

A Study of Some Derivatives of Ortho-Cresotinic A n i l id e .................... 745B O D M E R , A —

A Contr ibution to the H istory of the Development of the ChemicalM ethods of F in ish ing in the Cotton I n d u s t r y .............................................. 814

B O U T E R S E , P E T E R V.—T h e Dyeing and F in ish ing of Silk from the C onsum er’s S tan d p o in t . . 125

B R O O K S , DR. E. C —T he Im portance of the Technical Man to the Textile I n d u s t r y ........... 158

B U R N H A M , F R A N K E.—Textile Oils Applicable in the Dyeing and F in ish ing of C o t ton ........... 709

C L A F L I N , A L A N A.—T he Dyeing of Silk W hite Effects on Woolen and W o rs te d s .................. 23

C L A R K , G E O R G E L.—Application of X-rays in the Textile I n d u s t r y ............................................. 788

C L A R K , O. W. (in collaboration with E. R. B O R H O ) —Dyeing of the Insoluble Azo C olors ................................................................. 311

C O N R A D , W. L.—Elimination of W as te in Bleachery M a n ag em en t ........................................ 283

C O O K , A. A.—U neven Dyeing of Rayon F a b r ic s ...................................................................... 766

C O T T O N , W I L L I A M —New Developments in Cotton P r in t i n g ............................................................. 325

C R O W E , J O S E P H B.—Sulphonated Oils ...................................................................................... • ............... 379

D A U G H E R T Y , W I L L I A M T.—C u r re n t Fusions W ith in the German Dye I n d u s t r y .................................... 592

D A V I E S , H A R R Y R.—The Dveing of Acetate S i lk .................................................................................... 197

D E A N , J A M E S D.—Discharge P r in t in g ................................................................................................... 717

D I L L E N I U S , J O H N F.—Possible Research Developments in the Rayon I ' le ld .................................. 681

D O R T , R O B E R T G —The Dveing of Ce lanese ........................................................................................... 258

D U P O N T , I R E N E E —T he Dyestuffs In d u s t ry , I’o re ru n n e r of \Miat ? ........................................... 627

Author PageD U R F E E , W A L T E R C.—

Selecting Dyes from an Artificial M e m o ry ..................................................... 393D U R F E E . W I N T H R O P —

The Dyeing of Viscose Rayon with M ordan t Dyes .................................... 22D U R ST , G U S T A V E —

Dyeing with Indan threne Blue G C D ................................................................. 505E A R L E , DR. R IC H A R D B.—

Some Phases of the Cotton Oiling Process and I ts Relation to F in ­ishing ......................................................................................................................... 18

E P H L A N D , C. R.—Problems of Chain W arp D yeing ........................................................................ 165

E S S E L E N , G. J., JR .—Cellulose; A Brief Considerat ion of I ts Chemistry, with Par t icu la r

Reference to the M anufac tu re of R a y o n ................................................... 166F L E M M IN G , DR.—

The Dyeing of Bast Fibers and S t ra w ............................................................ 230G A U M N IT Z , O S K A R —

The History and Development of Bronze P r in t in g ................................. 77G O L D T H W A IT , C H A R L E S F.—

Collecting the L itera ture of T ex t i les ................................................................. 802G R E E N E , E D W IN F A R N H A M —

The Textile Chemist .................................................................................................. 822G R IM S H A W , A. H .—

Scouring, Bleaching and Dyeing Cotton Which H as Been Treatedwith Oil S p ra y ......................................................................................................... 875

G U E R N S E Y , F. H .—Temperature, or the Influence of Heat on W ashing and Sanitation, . 422

H A D L E Y . W A L T E R E.—A Brief Resume of the Disposal of T rade W a s te s ...................................... 209

H A G E R , DR. H. E. (in collaboration with W. R. M A R S S O N ) —Developments in the Naphthol AS S e r ie s ........................................................ 6

“ H A N G D O ’’—The Dyer’s School of E xper ience ........................................................................ 837

H A T C H , J. M.—Developments in M erce r iza t ion ............................................................................... 715

H A T H O R N E , B, L.—Garment Dyeing ......................................................................................................... 813

H A Y E S , S. L.—Dyeing of Cotton Piece Goods with Mineral K h ak i .................................. 321

H E U T H W A I T E , J. S T E P H E N —The Cause of Faults in Piece D yeing ................................................................. 642

H IL L , H, M O R T O N —Rhea, Oldest and Newest of Textile F ib e r s ................................................. 251

H IN C K L E Y , E. H .—Oiling of Cotton Pre liminary to S p in n in g ...................................................... 13

H O B B S , F R A N K L I N W .—Address, F if th Annual Meeting, A. A, T. C. C.......................................... 29

H O C H H E I M , E. (in collaboration with E, K N E B E L ) —Fading Experim ents with the Osram Point Light L a m p ......................... 227

Page 6: TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December 31, 1926 ... ... 1 dye

AMERICAN DYESTUFF REPORTER Vol. XV, No. 22

A uthor PaKoO L L A N D E K , t 'H A R L E S S.—1 he M a nufac tu re tuul h'se of l ly d ro s u lp h i tc s .............................................. 72.5

O L M E S , W A L T E R C.—T he Reduction P roduc ts of Azo Dyes— 72, 100, 179, 221, 240, 269,

.502, .574, 4n,S, 4.56, 4,50, 490, ,52.5, 549, 587, 658, 701.T he .Spectrophotometric Evaluation of Dye M ix tu r e s ................................ 189The Choice of Solvent in .Speclrophotonietric Dye . \n a ly s i s .................. 247CBB.-XRD, C L A R E N C E C.—T he Need for Dry Cleaning T e s t s ...................................................................... 885VCKSON, F L O Y D E.—Textile Defects E ncounte red in Dry C lea n ing ................................................ 879

J H N S O X , C. W .—Liquid Su lphur Dioxide and I t s P roduc ts , and T he ir Use in the

Textile I n d u s t ry ...................................................................................................... 682D H N S O N , E R N E S T A.—T he E'inishing of W orsted C lo th ........................................................................... 356

i lH N S O N , C E O R G E H . —R a y o n :

P a r t I .................................................................................................................. 807P a r t I I ............................................................................................................... 839

DIIN SO N , M, T .—Dyeing Rayon with Vat C olors ............................................................................. 162

O N ES, DR. G R I N N E L L —Address , F if th A nnua l Meeting, A. A. T. C. C ........................................... 28

;a y ser , E,—Investiga tions on the Influence of the A fte r t rea tm ent on the Fastness

to Light of the Naphthol AS Com binat ions ................................................ 638;ER N , J E A N —

Discharge of Vat Dves on C o t to n ......................................................................... 51i l E L B A S I N S K I , DR. W .—

A Discussion on Naphthol AS in P r in t in g and D y e in g ............................. 673i l L L H E F F E R , E L V I N H .—

New Solvents Made by the Hydrogenation P ro c ess .................................. 345IN E B E L , E. (in collaboration with E. H O C H H E I M ) —

F ad ing Experim ents with the Osram Point-Light L a m p ............................. 227IN O W L A N D , D A N I E L P .—

A Brief Resume of the H istory of Dyeing Silk Piece G oods.................. 183,AW, J O H N A.—

T he Purposes of the Cot ton Textile I n s t i t u t e ............................................... 721.EE, W . S.—

Pow er in the S o u th ...................................................................................................... 830.ER C H , J O H N G.—

The Anti-Dum ping L a w ............................................................................................ 519.E W IS , L. C —

T hrow ing as Rela ted to Piece Dve S i lk s ........................................................ 120.O E C H N E R , L U D W IG —

On the Fastness to Light of the Naphthol Combinations......................... 749J A R I O N , S.—

The Dyeing of H a t te r s ’ F e l t ................................................................................. 351- lA R SSO N , W . R. (in collaboration with DR. H. E. H A G E R ) —

Developments in the Naphthol . \ S S e r ie s ........................................................ 6^ E B A N E , W . M. ( in collaboration with F. C. V I L B R A N D T ) —•

Classification of Cot ton bv M icroscopy............................................................. 279. lE T C A L F , G. T .—

Frank l in Process Raw Stock Dyeing M a ch ine ............................................... 186d E T Z , H. A.—

The Relation Between Dyestuff M a nufac tu re r and C o n su m er ................ 825d l l E R , P E T E R —

Batik .................................................................................................................................. 419d I L L . \ R D , DR E B.—

Address , F if th A nnual Meeting, A. A, T. C. C ........................................... 25d l L N E , W I L L I A M —

P rin t in g and Discharging of Colois on C e lanese ......................................... 886d O F F A T , F R A S E R —

Address, F if th A nnual Meeting, A. A. T. C. C ......................................... 26d O R R IS , M E R R IL L G.—

H a rd W a te r and I t s Effect on the Scouring of Cot ton and Woolpinions ......................................................................................................................... 845

d U L L I N , C H A R L E S E.—Acetate Silk— Its Dyes and T he ir Application:

P a r t IV ........................................................................................................... 1P a r t V ............................................................... • ............................................ 43P a r t V I .......................................................................................................... 81P a r t V I I ...................................................... • ................................................. 139P a r t V n i ...................................................................................................... 153P ar t IX .......... 191

W ool— The In troduct ion to a S e r ie s ................................................... 245The P ro te in s in General and Wool in P a r t ic u la r ............................................ 413T he Amino Acids and Their Relation to W o o l ........................................... 445The Constitution of W o o l ............................................................... 465T he Amino and Carboxylic Groups and Sulphur in W o o l .................. 499P ro te in Compounds:

P a r t I ................................................................................................................ 533P a r t I I .................................... ■....................................................................... 571P a r t I I I ........................................................................................................... 607

T he Chemical Reactions of K era tin and I t s Congeners:P a r t I ............................................................................................................... 633P a r t I I ............................. ■.............................................................................. 675

A uthor PageThe General Action of Acids on Wool:

P a r t 1 ................................................................................................................. 751P a r t I I ............................................................................................................... 779

M U R R A Y , J D. -’The E'ranklin Process System of D ye ing ......................................................... 516

O L N EY , P R O F . L. A.—A General Survey of the Dyeing of Artificial Silk or R a y o n .................. 109

O R D W A Y , C H A R L E S B.—Dyeing of P'nion .Shades on Hosie ry Containing Rayon, Pu re Silk

and Mercerized C o t to n ........................................................................................... 884P t lM E R A N Z , IT —

T urkey Retl Oil and Its Competitors. .................................................................. 579P U L L A R , CA R L A.—

Practical Aspects of W eight ing and the Dyeing of Weighted SilkPiece Goods ............................................................................................................ 123

PU R D Y , JA M E S H .—Making, Dyeing and Fin ishing W orsteds in the .South......................... 510

RAND, W I L L IA M M.—Co-operation Between Buyer and S e l le r ........................................................... 389

R O B B IN S , W I L L IA M K.—Textile Dyeing ............................................................................................................. 605

R O B IN S O N , S A U L —Rapid Identification of Color L ak es .................................................................... 816

R O E S T E L , R.—Influence of Dispersion of Dye on Dye L iq u o rs ........................................... 647

R O E T E L , B.—The Dyeing of Acetate S i lk .................................................................................... 387

R O SE, R. E —The E'astress of Dyes to the Influence of L ig h t ......................................... 90

R O W E , F. M.—The Blinding of Viscose with Insoluble Azo C olors ................................ 538

R U S S E L L , R. P .—Sodium Silicate as a Corrosion P reven t ive .................................................... 61

S A N S O N E , R A F F A E L E —Pract ical H in ts on the Production of Bright Colors on Textile

Fabrics:P a r t X IX ........................................................................................................ 374P ar t XX ........................................................................................................... 410P ar t X X I ........................................................................................................ 439P ar t X X I I ...................................................................................................... 452P a r t X X I I I .................................................................................................... 493P ar t X X IV ................................................................................................... 528P ar t X X V ...................................................................................................... 543Par t X X V I .................................................................................................... 651

S C H N E E V O IG T , A.—The Application of Resorcin in Calico P r in t i n g ........................................... 504

S C H U T Z E , P A U I ^The Dyeing of W o rn Garments and Redyeing of New M ater ia l ........... 640’

SCO TT, W A L T E R M.—The Role of Chemistry in the M anufac tu re of S i lk .................................... 621

SEA V Y , M. J . ^A New In s t ru m en t for the Micro-analysis of T ex t i les ............................. 759

S E IB E R T , C H A R L E S A.—\ 'a t Dyes for W o o l ................................................................................................... 56

S ID E B O T T O M , 1 EO N W .—Dyeing of Cotton W arps by the “ Chain” M e th o d ...................................... 667

SLO S S O N , EDW IN L.—Address, F ifth Annual Meeting, A. A . T. C. C ......................................... 30

S M IT H , L. T.—The Dyeing of M en’s W ear Piece Dyes by the Chromate P r o c e s s . . . . 382

S T R A C H A N , DR. E. K.—The Accurate Measurement of Hydrogen Ion Concentration as an

Aid to the Textile Chem is t .................................................................................... 292’T A G L IA N I , G.—

Technical Difficulties in the P r in t W orks and a New Aid to TheirSolution ...................................................................................................................... 767

T IC E , M. E.—Vat Dyes on C o t to n ................................................................................................... 49

T O E P L E R , C A R L (in collaboration with F R E D K . S. B E A T T I E ) —A Study of .Some Deriv.atives of Ortho-Cresotinic A nil ide .................... 745

T R A V IS , J O H N T —Corrosion of Nickel-Alloy Singe Rol ls .................................................................. 601

T R O T M A N , E. R.—Hydrogen Ion Concentration and I t s Application to Textile I n d u s ­

tries .............................................................................................................................. 577VAGG, C H A R L E S E . -^

H ow to Obtain English Paten ts for Textile Inven io n s ........................... 465V A N R IP E R , W . F.—

The Increasing Demand for Fast Dyed F a b r ic s ......................................... 515V IL B R A N D T , F. C. (in collaboration with W. M. M E B A N E )—

Classification of Cotton by Microscopy............................................................... 279W A H L B E R G , DR. H. E.—

Determination of Alpha-Cellulose Content of Artificial S i lk .................. 398W A R S H A W , F L O Y D F.—

The Dyeing of Vat Colors on R a y o n ................................................................. j -W H I T E , N O E L D.—

The D yer’s School of Experience— 86, 174, 289, 399, 431, 461, 517 547, 696, 773.

W I L L IA M S , H E L E N L O R E N Z —The W orke r’s Health andl P rosper i ty ............................................................... 337-

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Page 7: TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December 31, 1926 ... ... 1 dye

December 1926 AMERICAN DYESTUFF REPORTER cS69

Index to Proceedings of American Association of Textile Chemists and Colorists

January 1, 1926, to December 31, 1926, Inclusive

PageAccura te M easurem ent of Hydrogen Ion ( 'oncentra t ion as an Aid to the

Textile Chemist: T he (S trachan ) . P a p e r .................................................... 139Application of X-ravs in the Textile Ind u s t ry (C'lark). P a p e r .................. 234A S S O C IA T IO N (P a re n t B ody)—

F if th A nnual Meet ing, Dec. 4 and 5, ’2 5 ........................................................ 1S a turday A fte rn o o n Session:

The Dyeing of Vat Colors on Rayon (W arshaw ). P a p e r ........... 1Developments in the Naphthol AS Ser ies (H ager and Marsson) . . 4Oiling of Cot ton Pre liminary to Spinning ( H i n c k l e y ) . . . . . ......... 11Some Phases of the Cot ton Oiling Process and I t s Relation to

F inish ing (Earle) ................................................................................. ; ............ 1^The Dyeing of Silk W hite Effects on Woolens and Worsteds

(Claflin) ................................................................. 21F if th A nnual B a n q u e t ............................................................................................. 22

Address by Dr. E. B. M il la rd ........................................................................ 23Address by F ra se r M offa t ................................................................................. 24Address by Dr. Grinnell J o n e s ......................................................................... 26Address by F ian k l in W. H obbs ...................................................... ......... 2/Add less by Dr. Edwin E. S losson............................................................. 28

Association Prize for 1926......................................................................................... 177Sixth A nnual Meeting, Dec. 3 and 4, ’2 6 ........................................................ 245

Announcement of P ro g ra m ................................................................................... 223Sixth A n n u ' l B a n q u e t ................................................................... • .................... 246

The Textile Chemist (G re e n e ) ...................................................................... 24t>T he Rela tions Between Dvestuff M anufac tu re r and Consumer

(Metz) ................................, ...................................................................................... 249Address by V ice-P res iden t .................................................. 252Power in the South ( L e e ) .............................................................................. 254

Open F erum Session ..............' . ............................................................................. 25 /S a turday M ornifig Scssic7i: ^

S ec ie ta ry ’s Report ............................................................................................ ;^65

Report of Committee on Light F a s tn e ss .................................................. 266Rep'^rt of Committee on Fastners of S i lk .............................................. 271Report of Conimittee on l)>ed and P r in ted C o t to n ............ .. 272Scouring. Bleaching and Dyeing Cotton Which H a s Been J reated

with Oil Spray (Grimshaw). P a p e r ............................................... ............... 278Textile Defects E ncountered in Dry Cleaning (Jackson). P aper . , 281The Need for Dry Cleaning Tests (H t ib b a rd ) ...................................... 285Dyeing of U nion Shades on Hosiery Containing Rayon, P u re

Silk and Mercerized Cotton (O rdw ay). P a p e r ............... 286Prin t ing .and Discharging of Colors on Celanese (M i ln e ) ................ 288

A U T H O R S —Ainslie, Thomas D . :

Bleaching with Peroxides (N. Y. Sec , Feb. 26, 2 6 ) ............................. 107Bamberger. L. L . : l-

Paper- The Dyeing and Finishing of Cotton Piece (/oods (So. oec.,Apr , 17 ’2 6 ) .......................................................................................................... ^47

Bouterse, Pe te r V . : ̂ , o j • '7-rThe Dyeing and Finishing of Silk from the C o n s u m ers Standpoint / /

Brooks, £)r. E. C . : , -i tP ap er : The Im portance of the Technical M an to the Textile I n ­

dustry (So. Sec., Jan . 23, ’2 6 ) ...................................................................... 90Claflin, A lan A.;

Paper : The Dyeing of Silk V̂’hite Effects on Woolens and W ors­teds (5th Ann. M'g., Dec. 5, ’2 5 ) ............................................................... 21

Clark, George L . : _ . -r , / tvt xt t-Paper : Application of X-rays in the Textile Indus try (N. N. L.

Sec., Oct. 30, >26)............................................................................................... 234Cotton, W illiam: . , c a

Paper- New Developments in Cotton P r in t ing (N. V. tiec., Apr.23, ’26) ................................................................................................................... '55

Davies, H a r ry R . : ^ in iT he Dyeing of Acetate Silk (R. I. vSec., Feb. 19, 2 6 ) ......................... 101

Dean, Jam es D . :Paper : Discharge P rin t in g (So. Sec., Oct. 16, 2 6 ) ................................ - l i

Dil lenius, John F . : . , t-- /■\j \rPaper : Possible Research Developments in the Rayon hield (iN. Y.

Sec., Sept. 24, ’2 6 ) ............................................................................................ l " 'Dort , Robert G . : ̂ _

Paper : The Dyeing of Celanese (N. Y. Sec., May 26, ’2 6 ) ................ 13UDurfee, W’'alter C . : _ .

Selective Dyes from an Artificial M e m o ry ...................................................Durfee, W in throp C . : • a

Paper- Dyeing of Viscose Rayon with Mordant iJves (5th Ann.M tg„ Dec, 5, ’2 5 ) .............................................................................................. 20

Earle, Dr. Richard B.: i t n iPaper : Some Phases of the Cotton Oiling Process and I ts Relation

to Fin ish ing (5th Ann. Mtg., Dec. 5, ’2 5 ) ............................................. 16

^'^Pap'er’: Problems of Chain W arp Vat Dyeing (S,o. Sec,, Jan. 23, ’26) 97Esselen, G. J. , J r . : „ , r'c • . -.uP ape r : Cellulose: A Brief Considerat ion of I ts Chennstry, with

Par t icu la r Reference to the M anufac tu re of Rayon (Plnla. Sec.,Feb. 18, ...................................................................................................................

Greene, Edwin F a rn h am : , , . „ . ia aAddress : The Texti le Chemist ( 6th Ann. Banquet, Dec. 4. 2 6 ) ......... 246

^ " ^ P a p e r r Scouring, Bleaching and Dyeing Cotton W hich H as BeenTrea ted with Oil Spray ( 6th Ann. Mtg., Dec. 4, 2 6 ) ....................... 278

Hadley, W al le r E .: , ,ir / xt o t? iA Brief Resume of the Disposal of Trade Wastes (X. V. Sec., Feb.

26, ’26) ........................... ; • ............. .....................................................................Hager , H. E. (with W. R. M arssou) : , ^

Paper- Developments in the Naphthol AS Senes (5th Ann M.g..Dec. 5, ..................................................................................................................... ^

^^PapU^: ^Developments in Mercerization (So. Sec., Oct. 16. ’2 6 ) ----- 209

PageHayes, S. L . :

Paper : Dyeing of Cotton Piece Goods with Mineral Khaki (N. Y.Sec., Apr. 23, ’2 6 ) .............................................................................................. 151

Hill, H. Morton:Paper : Rhea, Oldest and Newest of Textile Fibers (No. N. E. Sec.,

Feb. 27, ’2 6 ) ........................................................................................................ 123Plinckley, Everett H :

Paper : Oiling of Cotton Preliminary to Spinning (5th Ann. Mtg.,Dec. 5. ’2 5 ) .......................................................................................................... 11

Plollander, Charles S . :Paper : The M anufac ture and Use of Hydrosulphites (R. I. Sec.,

Oct. 15, ’2 6 ) ........................................................................................................ 217Hubbard. Clarence C :

The Need for Dry Cleaning Tests (6th Ann. Mtg., Dec. 4, ’2 6 ) . . . . 285 Jackson, Lloyd E . :

Paper : Textile Defects Encountered in Dry Cleaning ( 6th Ann.Mtg., Dec. 4, ’2 6 ) ................................................................................................ 281

Johnson, C W^.-P ape r : Liquid Sulphur Dioxide and I ts Products, and Their Uses

in the Textile Industry (N. Y. Sec., Sept. 24, ’2 6 ) ........................... 199Johnson, Ernest A.:

Paper : The Finishing of W orsted Cloth (N. N. E. Sec., Apr. 24, ’26) 165 Johnson, M. T . :

Paper: Dyeing Rayon with V’’at Colors (So. Sec., Jan. 23, ’2 6 ) . . . . 94Kern, Jean :

Discharge of Vat Colors by Reduction (N. Y. Sec., Nov. 20, ’2 5 ) . . 38Lee, W. S . :

Address: Power in the South (6th Ann. Banquet , Dec. 4, ’2 6 ) . . . . 254Lewis, L. C . :

Throwing as Related to Piece Dye Silks (N. Y. Sec.. Jan . 22, ’26) 72Law. John A . :

Address: The Purposes of the Cotton Textile Ins t i tu te (So. Sec.,Oct. 16, ’2 6 ) ......................................................................................................... 215

Marsson, W. R. (with H. E. H ager) ;Paper: Deve’opments in the Naphthol AS Series (5th Ann. Mtg..

Dec. 5. ’2 5 ) ........................................................................................................... 5Metz. PI. A.:

Address: The Relation Between Dyestuff M anufac tu rer and Con­sumer ( 6th Ann. Banquet, Dec. 4, ’2 6 ) ................................................... 249

Milne, W^illiam:Paner ; P r in t ing and Discharging of Colors on Celanese (6th Ann.

Mtg.. Dec. 4, ’2 6 ) ................................................................................................ 288Murray, J. D . :

The F ranklin Process System of Dyeing (So. Sec., Apr. 17, ’2 6 ) . . 14o Ordway, Charles B . :

Paper : Dyeing of Union Shades on Hosiery Containing Rayon,P u re Silk and Mercerized Cotton ( 6th Ann. Mtg., Dec. 4, ’2 6 ) . . 286

Pullar, (Jarl A.:Practical Aspects of W^eighting and the Dyeing of Weighted Silk

Piece Goods (N. Y. Sec., Jan. 22, ’2 6 ) ..................................................... 75Purdy , James H .:

Paper: Making, Dyeing and Finishing W orsteds in the South (So.Sec.. Ju ly 17. ’2 6 ) ................................................................................................ 188

Rand. W’illiam M.:Address : Co-operation Between Buyer and Seller (R. T. Sec., May

21, ’26) .................................................................................................................. 173Rose, Dr. R. E . :

Communication: The Fastness of Dyes to the Influence of L ig h t . . 67 Russell, R. P . :

Sodium Silicate as a Corrosion Preventive (R. I. Sec., Nov. 18, ’25) 47Seavy, M. J . :

Address: A New Ins trum en t for Micro-analysis of Textiles (N. Y.Sec., Oct. 29. ’2 6 ) .............................................................................................. 229

Seibert, Charles A.:V at Dyes for W’̂ ool (N. Y, Sec., Nov. 20, ’2 5 ) ........................................ 42

Strachan, E K . :Paper: The Accurate Measurement of Hydrogen Ion Concentration

as an Aid to the Textile Chemist (R. I. Sec., Mar. 19, ’2 6 ) ......... 139Tice, M. E . :

Vat Dyes on Cotton (N. Y. Sec., Nov. 20, ’2 5 ) ...................................... 35Van Riper. W. F . :

Paper : T he Increasing Demand for Fast Dyed Fabrics (So. Sec.,Ju ly 17, ’2 6 ) ........................................................................................................ 193

W'arshaw, Floyd F . :Paper: The Dyeing of Vat Colors on Rayon (5th Ann. Mtg., Dec.

5, ’25) .................................................................................................................... 1W uth . Dr, B.:

Address (N. Y. .Sec., Oct. 29, ’2 6 ) ................................................................. 227Bleaching with Peroxide (Ainsl ie) . P a p e r ......................................................... 107Brief Resume of the Disposal of T rade W astes (Hadley) . P a p e r ........... 113Celanese: P^in+ing and Discharging of Colors on (Milne) . P a p e r . . . . . 288 Cellulose: A Brief Considerat ion of I t s Chemistry, with Par t icu la r

Reference to the M anufac tu re of Rayon (E s se le n ) ............................. 98Chain W arp Vat Dyeing: Problems of (Ephland) . P a p e r ......................... 97C O M M U N IC A T IO N S —

The Fastness of Dyes to the Influence of Light ( R o s e ) ......................... 68Selecting Dyes from an Artificial Memory ( D u r f e e ) .................................. 177

Co-operation Between Buyer and Seller ( R a n d ) ............................................... 173Cotton Oiling Process and I t s Relation to Finish ing: Some Phases of

(Ear le) . Paper ................................... loCotton P r in t ing : New Developments in (Cotton). P a p e r ......................... 155Cotton Textile In s t i tu te : The Purposes of (Law). A d d re ss ...................... 215C O U N C IL —

Meeting, Dec. 4, ’25 ................................................................................................ ^5Meeting, Jan . 29, ’26 ................................................................................................ 87Meeting, Mar. 5, ’26 ................................................................................................. 119Meeting, Apr. 16, ’26 .............................................................................................. 170Meeting, J u n e 25, ’26 ................................................................................................ 184Meeting, Oct. 1, ’26 ..................................................................................................... 205

Page 8: TO VOLUME XV January 1, 1926, to December 31, 1926 ......TO VOLUME XV January 1, 1926, to December 31, 1926 ... ... 1 dye

M̂O AMERICAN DYESTUFF REPORTER Vol. XV, No. n

PuKtJMeeting, Nov. 5, ’26 .................................................................................................. 242

Resolution in Memory of W’illiam 1 ). L iv e rm o re .................................... 242A m endm en t to Article \ ' I I I .................................. • ...........................................243

l)eveloi>menls in the Naphtliol AS Series (H ager and M arsson) . Paper 4Hischarge of \ ' a t C'olors bv J^eductioii (K e n i ) . F’a p c r ................................ 38Discharge P rin t in g (D ean) . P a p e r ........................................................................... 211Dry Cleaning Tests: The Need for ( l lu l ) b a r d ) .................................................. 285Dry Cleaning: Textile Defects E ncountered in (Jackson). P a p e r ........... 281Dyenig and J-inishing of ( 'o tton Piece (ioods (Bamberger). P a p e r . . . . 147 Dyeing and F in ish ing of Silk from the Consum er’s S tandpoint: The

(B oute rse ) .................................................................................................................. 77Dyeing of Acetate Silk: The (Davies) . P a p e r ................................................ 101Dyenig of (. 'elanese: T he (D o rt ) . P a p e r .............................................................. 131Dyeing of (Jotton Piece Goods with Mineral Khaki (H ayes) . P a p e r . . . 151 Dyeing of Silk W’hite Effects on Woolens and Worsteds: The ((Jlaflin).

Paper ............................................................................................................................. 21Dyeing of \ ' a t Colors on Rayon: T he (W arshaw ) . P a p e r ......................... 1Dyeing of Viscose Rayon with M ordan t Dyes (D u rfee ) . P a p e r . . . . ; . . 20 Dyeing of W eighted Silk Piece Goods: Practical Aspects of W eighting

and the (P u l la r ) . P a p e r ...................................................................................... 75Dyeing Rayon with Vat ( ' d o r s ( Johnson). P a p e r ......................................... 94F as t Dyed Fabr ics: T he Increasing Demand for (Van Riper) . P a p e r . . 193Fastness of Dyes to the In tluence of L ight: The ( R o s e ) ........................... 6bF in ish ing of W orsted Cloth: The (Johnson). P a p e r .................................. 166F ra nk l in Process System of Dyeing (M u r ra y ) . P a p e r .................................. 146H yd ro g en Ion Concentrat ion as an Aid to the Textile Chemist: The

Accura te M easurem ent of (S trachan ) . P a p e r ........................................... 139Hydrosu lph ites : T he M anufac tu re and Use of (H ollander) . P a p e r . . . 217 Im portance of the Technical Man to the Textile In d u s t ry : The

(Brooks) . P ape r ................................................................................................... 90Liquid Su lphur Dioxide and I ts Products , and Their b’se in the Textile

In d u s t ry (Johnson) . P a p e r ............................... ............................................... 198Making, Dyeing and F'inishing W orsteds in the South (P u rd y ) . Paper 188M ercerization: Developments in (H a tch ) . P a p e r .......................................... 209Micro-analysis of Textiles: A New In s t ru m e n t for (S e a v y ) .................... 229M inera l Khaki: Dyeing of Cotton Piece Goods with U layes ) . P a p e r . . 151 Naphthol AS Series: Developments in the (H ager and Marsson). Paper 4New Developments in Cotton P r in t in g (Cotton). P a p e r ............................... 155N E W Y O R K S E C T I O N —

Meeting, Nov. 20, ’2 5 ................................................................................................. 35V at Dyes on Cotton ( T ic e ) ............................................................................... 35Discharge of V a t Colors by Reduction ( K e r n ) ........................................... 38V a t Dyes for W’̂ ool ( S e ib e r t ) ............................................................................ 42

Meeting, Jan . 22, ’2 6 ................................................................................................. 71T hrow ing as Related to Piece Dye Silks ( L e w is ) .................................... 72Practical Aspects of W eigh ting and the Dyeing of Weighted Silk

Piece Goods ( P u l l a r ) ................................................................. • .................... 73T h e Dyeii 'g and Finishing of Silk f rom the Consumer 's S tand ­

point (Bouterse) ............................................................................................... 77Meeting, Feb. 26, ’2 6 ................................................................................................... 107

Bleaching with Peroxides (Anslie) . P a p e r ................................................. 107A Br ie f Resume of the Disposal of T rade Wastes (Fladley). Paper 113

Meeting, Mar. 26, ’2 6 ................................................................................................. 130T he Dyeing of Celanese (D ort) . P a p e r ...................................................... 130

Meeting, Apr . 23, ’2 6 . . . . • ...................................................................................... 151Dyeing of Cot ton Piece Goods with Mineral Khaki (H ayes) . Paper 151New Developments in Cotton P r in t ing (Cotton). A d d re ss ................ 155

Meeting, May 28, ’2 6 .................................................................................................. 179Sum m er Outing ................................................................................... • .................... 183Meeting, Sept. 24, ’2 6 ................................................................................................ 197

Possible Research Developments in the Rayon Field (Dillenius).Paper ......................................................................................................................... 197

Liquid Su lphur Dioxide and I ts P roducts, and Their Uses in theTextile I n d u s t ry ( Johnson). P a p e r .......................................................... 198

Meeting, Oct. 29, ’2 6 ............................................................................................... 226A ddress by Dr. W u t h . . . .................. ................... ...... . . .̂ .............................. 227A New In s t ru m en t for Micro-analysis of Textiles (Seavy). Address 229

N O R T H E R N N E W E N G L A N D S E C T IO N —Meeting, Feb. 27, *26.................................................................................................. 123

Rhea, Oldest and Newest of Textile Fibers (Hill) . P a p e r .................. 123Meeting, Apr. 24, *26.................................................................................................. 165

The Finishing of W orsted Cloth ( Johnson). P a p e r ................................. 166Sum m er Outing ................................................................. • ........................................ 132Meeting, Oct. 30, *26.................................................................................................. 233

Application of X-rays in the Textile Ind u s t ry (Clark). P a p e r ......... 234Oiling of Cot ton P re lim inary to Spinning (Hinckley). P a p e r .................. 11Oiling Process and I ts Relation to F inishing: Some Phases of the

Cotton (Ear le ) . Paper ....................... ..................................... .......................... 16Oil Sp ray : Scouring, Bleaching and Dyeing of Cotton W hich H as Been

Treated with (Grimshaw). P a p e r ................................................................... 278P A P E R S —

Accurate M easurement of Hydrogen Ion Concentration as an Aid tothe Textile Chemist: The ( S t r a c h a n ) ................ .......................................... 139

Application of X-rays in the Textile Indus try ( C la r k ) ............................. 234Bleaching with Peroxides (A in s l ie ) ..................................................................... 107Br ie f Resume of the Disposal of T rade Wastes ( H a d le y ) ...................... 113Cellulose: A Brief Consideration of I t s Chemistry (E s se le n ) ................ 98Developments in Mercerization ( H a t c h ) ........................................................... 209Developments in the Naphthol AS Ser ies (H ager and M a rs so n ) ........... 4Discharge of V at Colors by Reduction ( K e r n ) ............................................. 39Discharge P rin t in g ( D e a n ) ..................................................................................... 211Dyeing and Finishing of Cotton Piece Goods: The ( B a m b e r g e r ) . . . . 147 Dyeing and Finishing of Silk from the Consumer’s Standpoint: The

(Bouterse) ............................................ 77Dyeing of Acetate Silk: The (D av ie s ) ............................................................ 101Dyeing of Celanese: The ( D o r t ) .......................................................................... 130Dyeing of Cotton Piece Goods with Mineral Khaki ( H a y e s ) ................ 151Dyeing of Silk W hite Effects on Woolens and Worsteds: The

(Claflin) ..................................................................................................................... 21Dyeing of U nion Shades on Hosiery Containing Rayon, P u re Silk and

Mercerized Cotton ( O rd w a y ) ............................................................................... 286Dyeing of Vat Colors on Rayon: The (W a r s h a w ) .................................... 1Dyeing of Viscose Rayon with M ordant Dyes ( D u r f e e ) ........................... 20Dyeing Rayon with V at Colors ( J o h n s o n ) ...................................................... 94Finishing of W orsted Cloth: The ( J o h n s o n ) ................................................. 106Frank l in Process System of Dyeing: The ( M u r r a y ) .................................... 146Im portance of the Technical M an to the Textile Ind u s t ry : The

(Brooks) ..................................................................................................................... 90Increasing Demand for Fast Dyed Fabrics: The (Van R ip e r ) ........... 193Liquid Su lphur Dioxide and I t s P roducts, and Their Uses in the

Textile I n d u s t ry ( J o h n s o n ) ................................................................................... 198Making, Dyeing and Finishing W orsteds m the South ( P u r d y ) ........... 188

PageM anufac tu re and I ' s e of i lydrosulp li i tc s: The ( H o l l a n d e r ) ................... 217New Developments in Cotton i ’r in ling ( C o t to n ) .........................................New Ins trum en t for Micro-analysis , of Textiles: A ( S e a v y ) ................... 229Oiling of Cotton P re lim inary to Spinning ( H in c k le y ) .............................. ^Peroxides: Bleaching with (A in s l i e ) ..................................................................Possible Research Developments in the Rayon J’'ield ( j l i l le i i iu s ) . . . • • 197 I'raclical Asjiccts of W eigh ting and the Dyeing of W eighted Silk

Piece Goods ( P u l l a r ) ............................................................................................. 75I ’r in ting and Discliarging of Colors on Celanese ( M i l n e ) ......................... 288Problems of ('haiii W arp V at Dyeing ( E p h la n d ) ....................................... 97Rhea, Oldest and Newest of Textile Fibers ( H i l l ) ................................ • 123Scouring, Bleaching and Dyeing Cotton Which H as Been I ' rea ted with

Oil Spray (G r im s h a w ) ................................ ............................................................. 278Sodium Silicate as a Corrosion I’reventive ( R u ss e l l ) ......... ................ .̂ . . 47Some Phases of the Cotton Oiling Process and I ts Rela tion to F in ­

ishing (Earle) ........................................................................................................... 16Textile Defects E ncounte red in Dry Cleaning ( J a c k s o n ) ........................... 281Throw ing as Related to P iece Dye Silks ( L e w is ) ....................................... • 72Vat Dyes for Wool (S e ib e r t ) ................................................................................ 42V’at Dyes on ( 'o tton ( T i c e ) ..................................................................................... 35

P H I L A D E L P H I A S E C T I O N —Meeting, Feb. 18, ’2 6 ...................................................................................... 98

Cellulose: A Brief Consideration of I t s Chemistry , with Par t icu la rReference to the M anufac tu re of Rayon (Esse len) . P a p e r ............ 98

Meeting, Mar. 19, ’2 6 ................................................................................................ 121Power in the South (Lee). A d d re ss ..................................................................... 254Pract ical Aspects of W eighting and the Dyeing of W eigh ted Silk Piece

Cioods (Pu l la r ) . P a p e r ............................................................................................... 75P r in t in g and Discharging of Colors on Celanese (M ilne) . P a p e r ............ 288P rin t ing : Discharge (Dean), P a p e r .....................................................................■ 211Rayon: Cellulose: A Brief Consideration of I ts Chemistry , with P a r ­

t icular Reference to the M anufac tu re of ( E s s e l e n ) ................................ 98Rayon Field: Possible Research Developments in the (Dil lenius) . P ape r 197Rayon with M ordan t Dyes: Dyeing of Viscose (D u rfe e ) . P a p e r ............ 20Rayon with Vat Colors: Dyeing (Johnson). P a p e r ....................................... 94Relations Between Dyestuff M a nufac tu re r and Consumer: T he (M etz) .

Address ............................................................................................................... 249R E S E A R C H C O M M IT T E E —

Meeting, Dec. 4, ’25 ................................................................................................... 86Meeting, Jan . 29, ’26 ........................................... ...................... ............................. 87Meeting, Mar. 5, *26 ............................................................... ................................. 120Meeting, Apr. 16, ’26 ............................. • ............................................................... 176Meeting, June 25, ’26 .............................................................................................. 181Meeting, Oct. 1, ’26 ...................................................................................... 207Report of Committee on Light Fastness (6th Ann. Mtg., Dec. 4, ’26) 266 Report of Committee on Fastness of Silk (6th Ann. Mtg,, Dec. 4, ’26) 271 Report of Committee on Dyed and P r in te d Cotton (Cth Ann. Mtg..

Dec. 4, ’2 6 ) ................................................................................................................. 272Rhea, Oldest and Newest of Textile F ibers (H il l) . P a p e r .................. ,* ! 123R H O D E IS L A N D S E C T IO N — v / 1

Sodium Silicate as a Corrosion Preven t ive ( R u s s e l l ) ................................ 47Meeting, Dec. 18, ’25 ......... •................................................................................] * 67Meeting, Jan . 22, ’26 .................................................................................................... 67Meeting, Feb. 19, ’26 ...................................................................... ! . . ! . ! ........... 101

The Dyeing of Acetate Silk (Davies) . P a p e r .................... 101Meeting. Mar. 9, ’26 ...................................................................................... ' 139

The A ccurate Measurem ent of H ydrogen Ion (Concentration as anAid to the Textile Chemist (S trachan) , P a p e r .................. 139

Meeting, May 21 ,’2 6 ................................................................... 173Co-operation Between Buyer and Seller (RandV. ’P a p e r .................... 173

Meeting, Oct. 15, ’2 6 ............................................................. *’ 2 I 6The M anufac tu re and Use of Hydrosulphites ^ H o l l a n d e r ) . ' ' p k p e r ! ! 217

Meeting, Nov. 12, ’2 6 ............................................................. 241Selecting Dyes from an Artificial M emory ( D u M e e ) \ ' ' Com m unicat ion! ! 177 btik from the Consumer’s S tandpoint: The Dyeing and Fin ish ing of

(Bouterse) ........................................................................ .. . . . 77Silk Piece Goods: Pract ical Aspects of W eigh t ing knd Vhe D y e in g 'o f

Weighted (Pu l la r ) . P a p e r .................................................... ^Sodium Silicate as a Corrosion Preven tive (Russel l) ' P a p e r ....................... 47Some Phases^of the Cotton Oiling Process and I t s R e la t io n ' to F in ish­

S O U T H E R N S E C T IO N — .......................................................Meeting, Jan . 23, ’2 6 ...................................................................... 39

The Im portance of the Technical Man to ’ t l i e ' 'f ex t i ie ' Ind u s t ry(Brooks) ........................................................................................ ■' 9Q

Dyeing Rayon with V at Colors ( Johnson). Paper * "*" 94Problems of Chain W arp Dyeing (Ephland) . Paper ! i i ..................... 97

Meeting, Apr. 17, ’2 6 .................................... . ............ J45The Franklin Process System of Dyeing (M u r ra y ) ." 'P a p e i - i i i i 146 The Dyeing and Fin ish ing of Cotton Piece Goods ( B a m b e r g e r ) . . . . 147

Meeting, Ju ly 17, ’2 6 ............................................................... ® I 187Making, Dyeing and Finishing W orsteds in the South (Purdy) '.

T he Increasing Demand for Fast D y e d " Fabrics " (V an "Riper')'.r a p e r ........................................................................... , q.,Kesolution ........................................................... . .................................. ..q^

Meeting, Oct. 16, ’2 6 ........................... 209Developments in Mercerization (H atch ) . Paper! i i ............................... 209Discharge P rin t in g (D ean) . P a p e r .................. ; ............... | | ................. o i lThe Purposes of the Cotton Textile In s t i tu te (Law) ' * 2 1 4Secretary s Report ................................................... 226T re a s u re r ’s Report ............................. • ! • ! . . ! ! . " ! ! ! ! . " ! . . ...................... 226

Sulphur Dioxide and I ts Products, and Tlieir Use in the Textile I n ­dustry : Liquid (Tolm son) .......................... .90

Technical Man to the Textile In d u s t ry : The"im*p'o'r*tance"of" the(Brooks). Paper ........................................................................ „„

Textile Chemist: The (Greene). A ddress___ i i *.............................................. 046Throwing as Related to Piece Dye Silks (Lewis). Paper .* ! ....................... 72T rade Wastes: A Brief Resume of the Disposal of (Hadley*)' * P a p e r * 1 1 1 L nion Shades on Hosie ry Containing Rayon, P u re Silk and Mercerized

Cotton: Dyeing of (Ordway). P a p e r ................................... 286Vat Colors by Reduction: Discharge of (K e rn ) , P a p e r ! ! ! ....................... raVat Colors on Rayon: The Dyeing of (W arshaw ). P a n e r ......................... '’ 1Vat Dyes for Wool (Seibert) , P a p e r ........................................ ...........................Vat Dyes on Cotton (Tice). P a p e r ...................................... .................................W a rp V at Dyeing: Problems of Chain (Ephland) . P a p e r ........................... 07Weighting and the Dyeing of Weighted Silk Piece Goods- * Pr'acii'c'ai '

W colens and W orsteds; The Dyeing of Silk W hite Effects oii (ClaflinlPaper .............................................................................. _

W orsted Cloth: The Finishing of (Johnson). P a p e r ........... .....................W orsteds in the South: Making, Dyeing and F in ish ing (Piird-ii'i h'cUl,'.. 100 X-rays in the Textile In d u s t ry : Application of (Clark), Paper 234

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