Compass, KAI, Air Navigation Reflector, Japanese Navy Aircraft Hudson which indicates with the thin

which indicates with the thin inner pointer

Its accuracy is unknown

The serial # prefix starts with AF-43

and the azimuth and elevation of the searchlight's beam relative to the position of the aircraft would appear on the indicator

A cool artifact indeed

Compass, KAI, Air Navigation Reflector, Japanese Navy Aircraft Hudson which indicates with the thinThis is a WWII era direct reading, reflector, magnetic compass,Type 2 or 3 KAI , made by Tokyo Aero Indicator Co, as used in aircraft of the Japanese Navy. According to the online Funatsu Aviation Instruments Museum, this compass was used in the following aircraft: Mitsubishi G4M Type 1 Bomber Betty Nakajima B6N Tenzan Torpedo Bomber Kate Type94 Recon Kawanishi E7K Type 95 Model 2 Recon Nakajima C6N Saiun Myrt and others The compass bowl rotates