Nuclear Instrument Chemical Corporation Model 1613A "Classmaster" (1949 - 1952)
|The “Classmaster was a count rate meter produced by the Nuclear Instrument Chemical Corporation. In 1954, the company changed its name to Nuclear-Chicago. The classmaster came as part of a kit that was designed for classroom lecture demonstrations and laboratory exercises. The accessories that came with the unit are missing: a GM tube, a set of aluminum, lead and cardboard absorbers, scattering tubes, and a calibrated range fixture.|
Range: 0 – 1,500, 0 – 15,000 cpm.
High Voltage Supply: 600 – 1500 volts
Size: 9” x 10” x 14”
Weight: 15 pounds
Donated by Ron Kathren
February 1950 p 94;
Commission Radiation Instrument Catalog, page MGM 16A, date
The above scene featuring the Classmaster comes from the 1951 film Atomic Alert.
Copyright 1999, Oak Ridge Associated Universities