R. P. CARGILLE LABORATORIES, INC

sorption spectrophotometer; Model ... Model 811-IV linear programmed tem- ... research labora- tory facilities for contin- uing programs. SERVICE. DIV...
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NIH EXHIBIT New Brunswick Scientific Co., Inc. 1130 Somerset St. New Brunswick, N. J.

Exhibiting: Bench-top laboratory fermentor; 50-liter batch and con­ tinuous fermentor assembly; environ­ mental incubator shaker; tissue cul­ ture roller drum; Bactronic colony counter. Nikon, Inc. 111 Fifth Ave. New York, Ν. Υ.

10003

Exhibiting: Laboratory and research microscopes; optical comparator for measurement of ultra centrifuge trac­ ings; photomicrographic and cine micro equipment; interference, fluores­ cence, and inverted microscopes ; medi­ cal Nikkor camera for close-up photog­ raphy; portable camera for Fundus photography. Nuclear-Chicago Corp. 3 3 3 East H o w a r d A v e . Des P l a i n e s , I I I . 6 0 0 1 8

Exhibiting: Correllograph, computer of average transients for physiological investigations: multichannel pulse height analyzers: proportional scintilla­

tion and coincidence systems; ampli­ fiers, preamplifiers, and single-channel analyzers; scalers, ratemeters, timers, and power supplies; pulse generator; liquid scintillation systems; chroma­ tography systems; planchet counting svstems; radiochemicals.

Exhibiting: Optical absorption cells for commercial spectrophotometers ; glass-to-metal seals; Pyrex-to-quartz seals. Perkin-Elmer Corp. 8 5 5 5 16th St. Silver Spring, M d .

Exhibiting: Model 303 atomic ab­ sorption spectrophotometer; Model 238 Tiselius electrophoresis apparatus: Model 811-IV linear programmed tem­ perature gas chromatograph with glass columns. Phipps & Bird, Inc. 6th and Byrd St. Richmond 5, Va.

Exhibiting: Isolated organ/tissue bath

. . . and this is what * Walter C. McCrone Associates will provide for you: Modern research and development requires sophisticated instrumen­ tation. Walter C. McCrone Associates has this instrumen­ tation and trained people to solve your problem. Apply this facility to your operation . . . with substantial economy.

PROJECT RESEARCH The efficient way for government and industry to add research labora­ tory facilities for contin­ uing programs.

SERVICE DIVISION • Chemical microscopy • Ultramicro analysis • Photomicrography • Electron microscopy • X-ray diffraction • Gas chromatography Write or phone

WALTER C. McCRONE ASSOCIATES 493 E. 31st STREET CHICAGO 16, ILLINOIS Phone: (312) DA 6-5325 Circle No. 182 on Readers' Service Carl

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ANALYTICAL CHEMISTRY

Phoenix Precision Instr. Co., Inc. 3 8 0 3 - 0 5 North Fifth St. Philadelphia, Pa. 19140

Optical Cell Co. Inc. 4 2 0 4 37th St. Brentwood, M d .

We* can be your research laboratory

with linear motion transducers; square wave stimulators with isolation units; animal respiration pumps; cardiotachometer ; temperature indicators with thermistors.

Exhibiting: Light-scattering photom­ eters; continuous flow colorimeters; gradient pumps; automatic recording differential refractometer; amino acid analyzer; aerosol and smoke photom­ eter.

Photovolt Corp. 1115 Broadway New York 10, Ν. Υ.

Exhibiting: Thin layer chromatog­ raphy densitometer Model 530; Densicord recording densitometer Model 542 with attachments for disc gel, agar, paper, cellulose acetate, and starch gel electrophoresis; Varicord linear/log recorder Model 43 with scale expander; Microcord recorder Model 44; absorp­ tion cells for spectrophotometers; vari­ ous models of pH meters.

Cαrgille Hundreds, Thousands or Millions of Vials of All Possible Conceivable Styles Can be economically handled, stored and indexed in

CARGILLE SPECIAL STORAGE BOXES Successfully used in incubator, refrigerator and deep freeze MADE TO FIT YOUR VIALS

Style SS For Quotation: • Send 3 vials and closures to insure good fit. • Give us design clues: no. of vials, cell ar­ rangement, or ap­ proximate dimen­ sions. Min.

quantity is only 24 boxes that will cost less than you think!

Style SH Rugged kraftboard construction, attractively white lined with dark green covering. With or without partitions. Phone 201-239-6633, or write:

R. P. CARGILLE LABORATORIES, INC. - CEDAR GROVE, NEW JERSEY Circle No. 211 on Readers' Service Card