Type G-200 gyroscope most likely used in military aircraft. Unit measures approximately 4 x 4.5 and retains its wiring and circuit board. Two Litton Systems, Inc. labels are affixed to one side of the mount, one of which states the unit was repaired on September 14, 1970. The word “Bad” has been written twice on another side of the mount. In fine condition. RR Auction COA.