CAHN instrument company

non-sparking motors. Sizes are from 1/1000 to 1/15 HP. Mountings may be either screw clamp or ringstand. Send for Free Folder. YOUR FORMULA. FOR...
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CAHN RECORDING VACUUM BALANCES are the nicest balances in the World!

You can use them for: • SORPTION, surface area, pore size by B.E.T.

• THERMOGRAVIMETRY, DTG, thermodensitometry

• MAGNETIC SUSCEPTIBILITY by the Faraday Method

• SURFACE CHEMISTRY, corrosion

• SPACE MATERIALS to 10-'° torr

• CHROMATOGRAPHY, gas, paper, column

YOUR FORMULA FOR MIDGET PUMPS AND STIRRERS

. . . is very likely to come from Eastern. High efficiency in centrifugal and positive displacement pumps at mass production prices—versatility in variable speed stirrers—these are the elements which add up to the right combination of laboratory equipment.

• SURFACE TENSION by ring or Wilhelmy methods

• THIN FILM MONITORING • and just WEIGHING THINGS with remarkable alacrity

Compact design and remarkable performance make t h e m a d a p t a b l e where space and portability are factors.

Semi-enclosed, totally-enclosed, or explosion-proof motors powered from 1/30 to 1/3 h.p. offer a range of performance characteristics up to 20 G.P.M. at 15 P.S.I. Choice of metals, currents and voltages. Eastern Laboratory Stirrers are available for mixing small quantities of light liquids to ten gallons of viscous materials. Models available with non-sparking motors. Sizes are from 1 / 1 0 0 0 to 1/15 HP. Mountings may be either screw clamp or ringstand. Send for Free Folder

EASTERN A

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INDUSTRIES L A B O R A T O R Y

STREET

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FOB

HAMDEN

Circle No. 17 on Readers' Service Card 152 A

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ANALYTICAL CHEMISTRY

ELECTRONICS.

14.

INC

WRITE FOR: Reprints Application data Brochures

CAHN

instrument company

15505 Minnesota Ave., Paramount, Calif., U.S.A.

CONNECTICUT

Circle No. 182 on Readers' Service Card