Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson The glass and all markings

The glass and all markings are intact

the flexibility facilitated by the adjustable limit pointers

Pages are only slightly dog-eared

used to control airborne communications of the aircraft interphone and radio during flight and on the ground

which has not been checked

Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson The glass and all markingsThis 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.