Nuclear Measurements Corp

66 on Readers' Service Card. V2. p.s.i. and oxygen ... tion monitoring services. Radiation. Engineered ... Π Comprehensive application bibliog raphy...
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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

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City Zone

Circle No. 66 on Readers' Service Card

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Circle Νo. 158 on Readers' Service Card

VOL.

32, NO. 2, FEBRUARY 1960

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141 A