SCIENTIFIC GLASS APPARATUS CO., INC

gram, readability 0.2 gram. Has unlimited tare range up to full capacity. Projection system operates on. 6 cycles 110-115 volts AC (also available for...
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SIMPLIFY YOUR LAB WORK... with these

newmm

TORSION OPTICAL BALANCE... Projects true weight—even out of level!

when B-1754X. . . $ 4 2 5 . 0 0

JLJecause the zero point is unaffected by out-of-level conditions, this new Model PL-2 Torsion Balance projects true weight readings without being re-zeroed ! It's fast, accurate, convenient—designed to operate under severe environmental and physical conditions. Capacity is 2-kilograms, accuracy 0.1 gram, precision 0.1 gram, readability 0.2 gram. Has unlimited tare range up to full capacity. Projection system operates on 6 cycles 110-115 volts AC (also available for 220). Overall dimensions: 7%" χ 12%" χ 16%" long. Descriptive brochure sent on request.

E-5540X $295.00

R0TAVAP0R.

a new rotary vacuum evaporator

Extracts

gently,

substances

rapidly,

easily,

economically!

X ou can use this solvent evaporator for just about any distillation re­ quirement by merely regulating the temperature of the bath, depth of immersion, speed of rotation, degree of vacuum, and temperature of coolant. It has a built-in condenser, receiving flask, and evaporating flask. Speedy evaporation, gentle concentration under slight temperature drops, and elimination of foaming are important features. All com­ ponents are readily detachable. Solution touches nothing but glass. Ask us for bulletin No. 4000.

(complete as illustrated)

J DENSIC0RD

an automatic recording densitometer by Photovolt

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Χ his instrument, designed for analyzing paper electrophoresis and chromatography strips, consists of a sensitive electronic photometer, scanner, and variable response recorder—all in a single unit. There are twelve recording functions to choose from . . . selected by means of a switch. High sensitivity, rapid response, ease of operation, flexibility in applications, plus versatility, are highlights of the Model 542 Densicord. Bulletin 800D gives details—sent on request!

D-1172X $1,190.00

SCIENTIFIC B GLASSS L O O M F I E L D , .

Branch

APPARATUS Sales Offices: CO., INC.

N E W

J E R S E Y

L A B O Α Ρ Ρ I N S C H E G L A

R A T O R Y A R A T U S T R U M E N T S M I C A L S S S WA R Ε

Albany 5, N. Y. · Boston 16, Mass. · Elk Grove Village, ill.'. Philadelphia 43, Pa. · Silver Spring, M

Branch Warehouse: Elk Grove V i l l a g e , III. Circle No. 92 on Readers' Service Card VOL.

34, NO. 3, MARCH 1962



111

A