UNCLASSIFIED
SHR
Dust Collector
Mines Sarety Apvlic mee Co.
Filter Quecn Ca.
Portebio Alpha Survey Meter.
No suitable tyoe of alpha mctcr has veon
developed which will read egainst a high
bdDota-gammu background.
25
IT ~ LABORATCRY INGTRUMENTO
Scale of 64 senling circuits
Instrument Develooment Laboratories
Counting Rato Ncters
Goneral Radio Co., 1500
Esterline-Ansgus 5ma recoracr
wt
Photoelectric Densitouster
Weston blectric Corp.
—..
Alpha Proportional Counter
Instrument Devclopmcnt Lavoritorios
Py feo
neta re
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me
7mews SAI