CIVIL DEFENCE 1960 CLASSROOM DEMONSTRATION UNIT

1960's

CIVIL DEFENCE CLASSROOM DEMONISTRATION UNIT

Quoting the Radiological Defense Manual: " The CD V-457 is a Geiger counter which has been especially designed for classroom demonstrator use. It operates on a normal 110 volt AC power supply and produces both visible and audible responses to nuclear radiation. The instrument is used in teaching basic nuclear radiation physics and for decontamination Demonistrations.



The Shipping and Storage case has inside:

The CD V-457 Geiger Counter unit was manufactured by Nucleonic Corporation of America in Brooklyn New York

Two empty 16MM film Cans

Calibrated Mounting Board

Flat Aluminum Absorbes

Flat Carboard Absorbes

Flat Lead Absorbes

Cylindrical Lead Absorber

Cylindrical Carboard Absorber

Cylindrical Aluminum Absorber

Spare GM Tube, OCDM Type

Instruction Manual

200 of the CD V-457s were procured in 1956. Data in the 1962 Annual Report of the Office of Civil Defense indicate that 300 were ordered through FY 1958 (prior to FY 1959), 1,276 were ordered in 1959, 971 in 1960 and 1,029 in 1961. The 1986 Defense Civil Preparedness Agency publication Radiological Instruments: An Essential Resource for National Preparedness (CPG 3-1) estimated that that 1,058 had been disposed of or excessed which meant that 2,518 CD V-457 units remained in state and Federal inventories.