Autopilot Directional Gyro Kit, Type GR-2, Grumman F7F, F8F US Navy P-63 and the lettering is perfect

and the lettering is perfect

Here is a WW2-vintage Rate of Climb (Vertical Airspeed) Indicator

Pilot's compasses are direct reading magnetic type compasses

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Here is a dual Tachometer for use in military helicopters

Autopilot Directional Gyro Kit, Type GR-2, Grumman F7F, F8F US Navy P-63 and the lettering is perfectHere is a Directional Gyro Control Kit for the Type GR 2 Autopilot System made by Electric Auto Lite for Grumman Aircraft under license from Sperry, according to its markings. The directional gyro is powered pneumatically, and the module mounted on the rear appears to provide electronic sensing of the gyro's position for transmission to the autopilot system, judging from the electrical and pneumatic connections in back. The center knob is to set the