Compass, Type 92 Model 1, Japanese Navy Aircraft MiG-15 The Double Throat design

The Double Throat design

See photo showing the location of the indicator on the cockpit instrument panel of the RB-36 at Castle Air Museum

There is also an extra Yellow filter and a metal plate to install on the camera body should the lens be removed

The gyro horizon moves freely within its housing

We assume that these are identification marks of the timepiece and its manufacturer

Compass, Type 92 Model 1, Japanese Navy Aircraft MiG-15 The Double Throat designThis is a WWII era direct reading magnetic compass,Type 92 Model 1, made by Yokogawa Electric Corporation for aircraft of the Japanese Navy. 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 at the bottom and opened,