Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther It is essentially a flight

It is essentially a flight computer as it provides the navigator with the integral calculators for heading

The Type 92 was primarily used in aircraft such as the Mitsubishi A6M5 Zero fighter

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

The knob rotates the barometric pressure adjustment

The temp reading is inaccurate

Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther It is essentially a flightHere 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.