This NMC Gamma Spectrometer Eliminates "Dark Current" Defect Combines Better Resolution W i t h Greater Precision Over Wider Range Than Any Other System At Any Price
HIGH RESOLUTION HERE
NEW PRODUCTS
V 2 p.s.i. and oxygen pressure of 1 to 2 p.s.i. Bethlehem Apparatus Co. P-61
Gas Excitation for photo chemistry, free-radical production, and spectroscopy with Raytheon's completely packaged microwave power generator systems
1
Laboratory Lift. Lab-Lift has 9 / , inch square top plate, lifts several hun dred pounds from an at-rest height of 5 inches to a height of 13 inches ; oper ated by large knurled knob. Fisher Scientific Co. P-62 Oscilloscope Camera. Model 196A records full-size patterns on Polaroid Land film; object to image size ratio is 1 to 0.9 to show a full 10-cm. grati cule width. Hewlett-Packard Co. P-63 Contamination Analysis Kit. More than 500 tests for particulate contami nation of oils, fuels, water, and other liquids are said by the company to be possible with the contents of the kit. Millipore Filter Corp. P-64
NO "DARK CURRENT" DEFECT HERE Actual spectrogram of Cobalt-60 made with a GSS-1. Window No. 3. Time constant: 2 sec.
Laboratory Clamps. New line in cludes wide range extension clamp, wide range utility clamp, wide range buret clamp, and clamp holder. Arthur S. LaPine & Co. P-65
Nuclear Briefs A complete gamma spectrometer system NMC model GSS-1 ($4,180 fob, Indianapolis) T h i s greatly simplified system features reg ulated high voltage supply as part of the c o u n t i n g ratemeter auto-scan system . . . all-transistorized probe amplifier and spec trometer circuits . . . and solid or well-type crystal. These points and the actual spec t r o g r a m s shown here tell only part of the story. F o r f u l l details, write or phone collect. HIGH RESOLUTION HERE
Beta-Counting System. Low level Model LBS-162 features a background count reduced to about 1 c.p.m., greatly reduced lead shielding, and simplified circuitry. Atomic Accessories, Inc. P-66 Gamma
Spectrometer
System.
Model GS8-1 is "sliding pulse" type, using photomultiplier tubes, transis tors, and discriminators; claimed to eliminate the "dark current" defect. Nuclear Measurements Corp. P-67 Radiation Dose Rate Alarm. Fido pocket-size model weighs less than 7 ounces, including batteries and sound alarm; responds to dose rates of less than 0.5 r./hr. to more than 5000 r./hr. Controls for Radiation, Inc. P-68
NO "DARK CURRENT" DEFECT HERE A c t u a l spectrogram of Radium made with a GSS-1. Four runs over a period of 20 hours with no adjust ment of instrument between runs, demonstrating utmost stability. Range: 30,000 C/M. Time constant: 3 sec.
NMC Nuclear Measurements Corp. 2460 N. Arlington Ave. . Phone: Liberty 6-2415 INDIANAPOLIS 18, INDIANA International Office: 13 E. 40th Street, New York 16, Ν. Υ.
Excellence
in
RAYTHEON
Electronics
Raytheon Company Industrial Apparatus Division Power Generator Dept. F 2 Manchester, New Hampshire
Custom Nuclear Products. New line, to be designed and constructed to cus tomer's specifications, will include in dustrial gamma radiography machines, gamma irradiators, and special radia tion monitoring services. Radiation Engineered Services. P-69
Please send the following Power Generator material: G Complete specification sheet G Reprints of noteworthy articles Π Comprehensive application bibliog raphy Name
2 5 6 Channel Analyzer. Unit has logarithmic and linear analog outputs; has ferrite core memory; circuits float in foam rubber in stainless steel cabinet; weight 37 lb., size 1 cu. ft.; portable operation on batteries at 9 1 / 2 watts. Nuclear Data, Inc. P-70
Address
'
City Zone
Circle No. 66 on Readers' Service Card
~~ State
Circle Νo. 158 on Readers' Service Card
VOL.
32, NO. 2, FEBRUARY 1960
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141 A
