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This new development offers you these fiveimportant advantages.1. Single, time-saving incubation.2. New antibody significantly lowers cross-

reactivity to 11 -deoxycortisol.3. Direct sample processing; no heat denatur-

ation, no dilution.4. Employs a new tracer with higher count

rate.5. Eliminates the need to wash tubes after

aspiration or decantation.

For more information send coupon or call toll free1-800-225-1241 (in Massachusetts call collect617-492-2526 or TWX: (710) 320-6460).

Name

Title

Institution/Department

Address

Ci ty State Zip

Phone

Circle No. 17 on Readers' Service Card S 7/22

Introducing the hungry ECLIPSE.Data General's new ECLIPSE S/1 30 com-puter has a bigger appetite for work than anyother mid-range mini. And enough speed andversatility to wolf down any kind of data youhave to dish out.

The hungry ECLIPSE computer is builtaround the same powerful architecture as oursuper high-speed ECLIPSE S/230. Added tothat is a host of special features that make thehungry ECLIPSE unique. Like our fast micro-coded floating point and efficient character stringinstruction sets. And our second-generationWCS general-purpose user mnicroprogramningability that results in unmatched throughput indemanding applications. To top it off it alsoincludes AOS, our amazing new heuristic multi-programming advanced operating system, and ofcourse the full range of Data General's economi-

cal big-computer peripherals, software andworldwide support.

Now, you don't have to skimp along with anundernourished mini that's too limited for yourwork. Or splurge on one that's too fat just toget the performance yc u need. Just order anECLIPSE S/1 30 computer. It will make yourwork load a lot leaner. Want more food forthought? Send for our brochure.O Send your S/130 brochure.D Send your S/130 brochure and have your sales representative call.Mail to: Data General, Westboro, MA 01581Name

Title

Address Tel._ _

City State ZipECUPSE is a registered trademark of Data GCneal Corporaios.© Data Gereral Corporation, 1977 SM

Ii DataGenerallt's smart business.

Data General, Westboro, MA 01581, (617) 366-8911. Data General (Canada) Ltd., Ontario.Data General Europe, 15 Rue Le Sueur, Paris 75116, France. Data General Australia, Melbourne (03) 82-1361.

Circle No. 73 on Readers' Service Card22 JULY 1977 321

T~he universal Teflon®^ dispenser.It works as smoothly withalkalis as with acids.

volumes from 0.1 to 50ml with betterthan + 1.00/O accuracy and ±0.10/reproducibility. All can be auto-claved at 1200C without disassem-bling. All mount directly on 33mmscrew-neck reagent bottles, and onmost other size bottles, cans orcontainers (including STJ 24/40 andSTJ 29/42 glassware) using optionalscrew-in adapters. Dispensetteswork smoothly with all reactivechemicals (except HF), includingconcentrated alkalis.

ground borosilicate glass cylinder.The flexible filling tube and curved

discharge tip are also

Teflon, eliminating external

glass tubing that could

break off, chip or crack.(And either tube can easily

be cut to any desired

length).There's a wide choice

of adjustable and fixed-volume Dispensettes for fast,accuratedispensing of exact

For literature on the smoothestworking, least fragile universaldispenser yet designed, just write:Brinkmann Instruments, CantiagueRoad, Westbury, N.Y. 1 1590.In Canada: 50 Galaxy Boulevard,Rexdale, Ontario M9W 4Y5.

BrinkmannDispensette®

ories

Sargent Welch / Scientific Products / SGA ScArthur H. Thomas Co. / VWR Scientific.

Circle No. 16 on Readers' Service Card

ientific

Dispensette® is a registered trademark of R. Brand Co.,Teflon® is a Du Pont trademark.

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NEW GALEN MICROSCOPE

Yobur slides hav nevera:looked so good.

Look at your ownslides through our newGALEN microscope and see howclear and fine the detail is. And noticethat you get full 2" x 3" coverage.Named after the famous Greek phy-sician, GALEN meets exacting Bausch& Lomb standards.This fine instrument is ideal for rou-tine work in colleges, hospitals andindustrial labs. And it meets all spec-ifications required for a microscopeused to study medicine.The GALEN microscope is priced at$746.00*, considerably less than manymicroscopes that don't have all itsfeatures.We think this is the best microscopevalue on the market today. But don't

.\-

take our word for it. Arrange for afree demonstration.

Look into GALEN when you'relooking for a microscope:* Parfocal, coated optics.. 4x, lOx, 40x, 100x (oil) achromaticobjectives.* Monocular, binocular, triocularmodels.

* In-base, variable control illumi-nator (30-watt).* Ideal for brightfield, darkfield andphase contrast observations.* Observation body rotates 3600,locks at any point..* Precentered substage with conven-ient low rack-and-pinion focusing.* Graduated mechanical stage; low,coaxial controls.* Immediate off-the-shelf delivery.* Bausch & Lomb guarantee, and na-tionwide service.

BAUSCH & LOMBScientific Optical Products DivisionOptics Center, Dept. 66021400 North Goodman StreetRochester, N.Y. 14602

BAUSCH & LOMB )

professional microscope*Monocular model $746, Binocular model shown $895.

.___ ____ ___

BAUSCH & LOMBScientific Optical Products DivisionOptics Center, Dept. 660220719 North Goodman StreetRochester, N.Y. 14602

LII Have my B&L dealer contact me to arrange a convenient,free demonstration. F1 Send catalog 31-2439.

TitleInstitution or CompanyStreetCity State Zip

GALEN. The scope of a more productive laboratory.

Available on GSAcontract. Consultthe Yellow Pagesfor your local au-thorized Bausch &Lomb dealer.

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