Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson The unit requires the correct

The unit requires the correct electrical input in order for the knob and sphere to function

The accelerometer has 1 pointer that instantaneously rotates counterclockwise when the aircraft experiences negative G's

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

The MC-125 Tuning Unit is a component of the WWII-era airborne communication system Receiving and Transmitting Command Set SCR-AJ(and AL)-183

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

Directional Gyro Indicator, Japanese Army Aviation A-28 Hudson The unit requires the correctThis 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.