Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther The KB-29P (116 of them)

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

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

This is an original WWII-era Course and Speed Calculator Mk II as used by aviators of the British RAF in its wooden case

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

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Radiological Survey Meter (Geiger Counter) CDV-715 Model 1A F9F Panther The KB-29P (116 of them)Here 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.