Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Allison which in turn would transmit

which in turn would transmit these signals to smaller repeater indicators located at other positions such as the pilots instrument panel

but does not engage the barometric pressure adjustment mechanism consistently

diluter regulator typically used in fighter aircraft) used with oxygen mask A-8B

The US Navy anchor symbol is stamped on the rear of the instrument

Radar Navigation Equipment

Radio Compass Indicator, for Link Trainer Type C-3, Air Corps US Army Allison which in turn would transmitThis 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