Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther WWII-era US Navy Douglas SBC

WWII-era US Navy Douglas SBC Dive Bombers as well as early 'birdcage' versions of the Vought F4U-1 Corsair Fighter

The temp reading is inaccurate

The KB-29P (116 of them) were created starting in 1948 from modified B-29 bombers

the position of a graduated card attached to the float is visible through a glass cover in the front of the bowl

Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther WWII-era US Navy Douglas SBCHere is an authentic Geiger Counter as used by the US Civil Defense, plus original instructions. Operational condition accuracy is unknown. With a D cell battery installed, the meter needle activates when switched on.