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Photograph was edited for publication purposes Photograph caption dated October 17, 1960 reads, "North Hollywood police Sgt. William L. Gilmer demonstrates way he uses Ionoscope to record gamma rays as he regularly measures radioactivity for civil defense. Weekly checks of device keep it in condition to register radioactive fallout."
1 photographic print :b&w ;26 x 21 cm. Photographic prints
00125896 Valley Times Collection HCNVT_d030_f35_i4 CARL0005428223 http://188.8.131.52/cdm/ref/collection/photos/id/57463
Radioactivity--Measurement Radioactivity--Instruments Police--California--Los Angeles Men--California--Los Angeles Police vehicles--California--Los Angeles North Hollywood (Los Angeles, Calif.) Portrait photographs Valley Times Collection photographs