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Radiation Units

What is a
Gieger Counter?

Nuclear Instrument and Chemical Corp, founded in 1946 by John Kuranz, Thomas Mitchell and James Schoke, was originally known as the Instrument Development Laboratories. A year later, in 1947, it became the Nuclear Instrument and Chemical Corporation (the new name started to be used in 1948). In 1954 the name changed once again, this time to Nuclear Chicago.

Nuclear Chicago Model 1620A Bench Demonstrator
Nuclear Chicago Model 2112 Geiger Counter
Nuclear Chicago Model 2586 Survey Meter
Nuclear Instrument and Chemical Corp Model 2610A Survey Meter
Nuclear Chicago Model 2612
Nuclear Chicago Model unknown

Civil Defense Models (Nuclear Chicago is one of several companies who manufactured these models for the Government)

CDV-711 Model 2 Survey Meter
CDV781 Aerial Survey Meter