Product Capsules 150. Consolidated Electrodynamics Corp., 300 N. Sierra Madre Villa, Pasa dena, Calif. 19A Spectrophotometers. Circle 6A for latest information on color measure ments and data on the General Electric recording spectrophotometer. General Electric Co., Section 585-40, Schenec tady 5, Ν. Υ. 6A
provided with the Gary Model 14 recording spectrophotometer through the use of optical elements of increased ultra-violet efficiency in the double monochromator. Circle 56A-1 for bul letin. Also available is information on company's improved vibrating reed electrometer (circle 56A-2). Applied Physics Corp., 362 W. Colorado St., Pasadena 1, Calif. 56A-1, 2
new low cost "Infracord" double beam optical null system spectrophotometer. Instrument features atmospheric and solvent compensation, differential anal ysis, linear wavelength vs. transmittance recording, instant wavelength reset, direct recording on notebook size paper, and reproducible perform ance. Instrument Div., Perkin-Elmer Corp., Norwalk, Conn. 70A
Spectrophotometers, Infrored. Circle 49A for complete data and specifica tions on the Model 21 and its acces sories. Accessories include 6 different prism materials, gas cells, liquid cells, variable path length cells, polarizers, heatablc cells, reflectance attachments, auxiliary source assemblies, etc. In strument Div., Perkin-Elmer Corp., Norwalk, Conn. 49A
Stopcocks. Circle 30A for the new cata log which illustrates products featuring the "Lab-Crest" stopcock and includes prices and specifications. Stopcock does not leak, never "freezes," requires no lubrication. Fischer & Porter Co., 1557 County Line Rd., Hatboro, Pa.
Spectrophotometers. Circle 25A for bulletin containing complete informa tion about Coleman spectrophotometers and other Coleman products. Com pany's spectrophotometers are cited as delivering precise analyses, at high speed, even in the hands of untrained operators. Coleman Instruments, Inc., Maywood, 111. 25A Spectrophotometers. Circle 31A-1 for data file on the Beckman DK-2 record ing spectrophotometer that provides analysis in ultra-violet, visible, or nearinfrared ranges with speed and precision. Circle 31A-2 for "Career File" outlin ing positions available in engineering, manufacturing, and technical market ing. Scientific Instruments Div., Beckman Instruments, Inc., 2500 Fullerton Rd., Fullerton, Calif. 31A-1, 2
Spectrophotometers, Infrared. Circle 62A for data file on two low-cost Beckman infrared spectrophotometers: the IR-6, designed for quantitative per formance; and the double-beam IR-5, designed for qualitative performance. Scientific Instruments Div., Beckman Instruments, Inc., 2500 Fullerton Rd., Fullerton, Calif. 62A
Spectrophotometers. Accurate, direct reading absorbance to 1860A is now-
Spectrophotometers, Infrared. Circle 70A for complete information on the
PUMP
LIQUIDS GASES SLURRIES
WITHOUT CONTAMINATION OR CORROSION
30A
Sulfur Determinations. 16 - page Dietert-Detroit catalog illustrates and describes both sulfur and carbon determinators plus the complete line of ac cessory equipment and supplies. Circle 34A for copy. Harry W. Dietert Co., 9330 Roselawn, Detroit 4, Mich. 34A Titrimeters. Bulletins available on in struments for all electrometric titrations. Includes information on the standard, automatic, high - frequency, amperometric and coulomatic titrimeters. (Continued on page 72 A)
For ufmost reliability in measuring LIQUIDS VAPORS GASES Model
3 Photoelectric
Analyzer
Ideal for automatically analyzing, actuating controllers, and recording, in chemical processes . . . for monitoring noxious substances in air. Features:
Wavelike Motion of Steel Fingers Forces M a t e r i a l Through Tubing
Cap. 0.2 cc. per min. to 4.5 G.P.M.
Write for Descriptive Literature
Prices $ 6 0 . 0 0 to $ 5 5 0 . 0 0 d e p e n d i n g o n size a n d accessories
SIGMAMOTOR, INC. 4 7 North M a i n St.
·
Middleport, Ν.Ύ.
• Functions automatically, constantly checks and re sets itself to compensate for errors, such as smudge accumulation on cell windows. Can be left un attended for weeks. • Q u a n i t a t i v e l y a n a l y z e s components in sample streams by employing radiation wave length which is selectively absorbed by these components. • Has range adjustment from 0-100% down to approx. 0-1 ppm for some materials. W r i t e f o r complete
MEECO
Instruments
Circle No. 71 A-1 on Readers' Service Card, page 77 A
information
MANUFACTURERS ENGINEERING & EQUIPMENT CORP. 10 Sunset Lane
·
Hatboro, Pa.
Circle No. 71 A-2 on Readers' Service Card, page 77 A VOL.
29,
NO.
6,
JUNE
1957
·
71
A
