VOLUME
2 0 , N O . 7, J U L Y
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1948
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C H E M I C A L A N A L Y S I S
Low Cost Aids to Make Your Work
FASTER and
EASIER
. . . w i t h the EVELYN
PHOTOELECTRIC
COLORIMETER
BOTTLE TILTER Available Again!
/4 ntiyaty ùtâûtument... . . . writes a user in describing his Evelyn Colorimeter after nine years of continuous service. Not satisfied with this typical report, we are today building the colorimeter better than ever before . . .with full confidence that instruments shipped today will be still young nine years hence.
This handy laboratory item is once more on the market. It accommodates standard 5-gallon bottles. A swinging carriage is mounted on sturdy base assuring utmost stability, ease of operation and safety in the handling of 5 gallon bottles of liquids. Extra durable steel construction. Height from base to ring 1 6 ^ inches. Weight approximately 5 lbs.
No. AC-18
LANCO
$3.25
Graduate Rack
In this determination to build equipment that will function dependably day in and day o u t . . . free of the vagaries which can prove so costly in the efficient chemical laboratory . . . is to be found, as much as in any single factor, the secret of the outstanding performance of the Evelyn Colorimeter. A copy of Bulletin 460, descriptive of this invaluable analytical tool, is yours for the asking.
SPOTLIGHT GALVANOMETERS 3
, „ , the notable per-
R e s p o n s e in no f - » ^ ^ e r is the Spotlight formance of the Evelyn C o l o , o f t h e ,nstruGalvanometer ,llus ratedI as a ^ phys,cal „ e n t a b o v e . Equally appl ° b « «° Q, ga,vanometer : n d chemical -easurements Jh » yp ^ ^ rom ^^^ ^ ^ i s available in a c o m p l é t e r e z e cnt,ca, 0 3 t o 0.0006 microampere Ρe ^ ^ Th e
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Rubber-plated with a generous coating of pure latex to give the ultimate in breakage protection. The L A N C O Rack is 24" long, capable of holding seven pieces of glassware ranging from 10 to 500 ml. cylinders or conical graduates, as well as other types of chemical apparatus. Installed by the simplest means in your most convenient location makes the L A N C O Rack a laboratory necessity.
ts.
No. AC-39317
Described in Bullet.n 320
RUBICON COMPANY Electrical Instrument Makers 3759 Ridge Avenue . Philadelphia 32, Pa.
ARTHUR S. LABORATORY
$3.50
LaPINE APPARATUS
121 W. Hubbard St.
&
REAGENTS
•
& COMPANY I N D U S T R I A L
CHEMICALS
.
Chicago 10, Illinois