Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Regia Aeronautica as used in aircraft-carrier-based Grumman

as used in aircraft-carrier-based Grumman Cougar F9F-5 and North American Fury FJ2 Jet Fighters

this indicator appears to have a production year of 1937 (3768/37)

and in exceptional condition given its age

(i) The ability to disconnect the magnetic slaving signals of the C2 Fluxvalve

Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Regia Aeronautica as used in aircraft-carrier-based GrummanThis Radio Compass Indicator is labeled for use in the WWII era Air Corps US Army's C 3 Link Trainer. Similar to other radio compass indicators used in actual aircraft, the indicator would indicate to the pilot in training simulated directional signals received from ground transmitters by the loop antenna, allowing for course adjustments left or right. The indicator is in exceptional condition for its pre 1943 age (the year the Air Corps US Army