Gamma Radiation Detector (Geiger Counter) CDV-717, TESTED

"We were lucky enough to pick up a few of these Geiger Counters from a Federal Warehouse from which they were distributed and recollected to Fallout Shelters and civilian ""Bomb Shelters"" around the country during the Cold War. The unit is marked with the Civil Defense logo û a blue circle with a white triangle and red letters CD in the center of the circle. This item is military surplus, and we cannot warrant its functionality in detecting radiation. This item was tested (passing the circuit check) it is not calibrated. Requires standard "D" batteries."