Compass, Type 92 Model 1, in Wooden Case, Japanese Navy Aircraft F9F Cougar This clock appeared in the

This clock appeared in the Soviet Fighters Polikarpov I-15Bi and I-16 (see photo from I-16 manual dated 1940)

and eventually used during "Project Magnet" in the R5D Skymaster and the Lockheed NC-121

operations

During the time interval required for the signal to travel to earth and return to the aircraft

Compass, Type 92 Model 1, in Wooden Case, Japanese Navy Aircraft F9F Cougar This clock appeared in theThis is a WWII era direct reading magnetic compass,Type 92 Model 1, made by Yokogawa Electric Corporation for aircraft of the Japanese Navy in its wooden storage container. The Type 92 was primarily used in aircraft such as the Mitsubishi A6M5 Zero fighter, see photo of a Zero instrument panel showing the compass location. It was also used in the Nakajima B5N2 Kate torpedo bomber. There is a panel which, when unscrewed by turning the two knurled knobs