Dosimeters
Atomic Accessories, Inc. Model PRM 1 or 2
Serial Number: 254 / Uses (1) H-133R Mercury 4.05 volt battery.
This is a commercial version of a dosimeter designed at the Oak Ridge National Laboratory in
the late 1950's. It has a red LED on top, and a built in speaker.
This model is from 1961 - 1962
Assorted Commercial Dosimeters
Top Left & Center:
Victoreen 541/A Measures 0 - 200 milliroentgens
Serial Numbers: 07383 & 06884
Top Right:
Bendix Model 638 Measures 0 - 200 Roentgens
Serial Number: 1941