chicago apparatus company - ACS Publications

Microscopes. New brochuregives info on the American Optical Co. inter- ference microscope that measures opti- cal path differences. 22. Microscopes. C...
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Full View, Table Model

Instruments. Info on Brinkmann In­ struments, Inc. line exhibited at the Pittsburgh Conference. 38

CHROMATOGRAPHY

Instruments. Circle numbers for info on following: model 110 line-operated pH meter, 73-1; model 115 line-oper­ ated pH meter, 73-2; battery-operated pH meter, 73-3 ; reflextion meter, 73-4 ; electronic densitometer, 73-5; multi­ plier fluorescence meter, 73-6; model 402-E colorimeter, 73-7; model 450 colorimeter, 73-8; and model 401 color­ imeter, 73-9. Photovolt Corp.

DRYING OVER Creates ideal environment for accurate development of Paper Chromatograms Compact unit tests four 18 1 / 4 "x22 1 / 2 " sheets simultaneously Model CD-4 is a thermostatically controlled, insulated oven providing continuous intake of room air and outflow of heated air with water or motor aspirator. Produces fast, uniform drying with efficient disposal of solvent vapors. Oven quickly heats to pre-set temperatures up to 110° C. Heating elements concealed in base are fully protected from combustible, solvent droplets. Heavy, metal-reinforced safety glass door readily permits interior temperature readings and observation without repeated opening of door. Stainless steel oven chamber is corrosion resistant.

OVERALL DIMEHSIONS: 27" wide; 35% high; 14'Λ deep UNCONDITIONAL 1 YEAR GUARANTEE Write for Bulletin CD39A

NEW BRUNSWICK SCIENTIFIC CO. ΡRECISION LABORATORY APPARATUS Ρ.

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Circle No. 125 on Readers' Service Card

FIRST ANNUAL