Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson It combined several features of

It combined several features of the Magnesyn G2 Compass used by the US Navy and the Pioneer Fluxgate

His opinion was that this was intended for installation in a TU-2S

The glass and all markings are intact

Pages are only slightly dog-eared

which has not been checked

Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson It combined several features ofThis is a WWII era Directional Gyro Indicator, as used across many different aircraft of the Japanese Army. It is in exceptional condition given its age. The gyro is uncaged when the knob is pulled out, allowing the compass card to float freely left or right to indicate the course of the aircraft. Measures ~4 inches square and ~ 4 inches deep.