Gyro Horizon Indicator Type C-7 Air Corps US Army WWII WW2 along with the symbols of

along with the symbols of the Soviet army and the manufacturer

This is a Cabin Altitude and Differential Pressure Indicator as used in USAF's Cold-War-era Fighter/Interceptor F-89 B Scorpion

The counter-drum-pointer altimeter consists of a pressure altimeter combined with an powered servo mechanism

thinking it was an early vintage flight helmet

Would make a very cool display

Gyro Horizon Indicator Type C-7 Air Corps US Army WWII WW2 along with the symbols ofThis is a fine example of an early WWII era Gyro Horizon (Flight) Indicator, Army Type C 7, made by Sperry, part number 644729. This indicator has a serial number prefix "AC 41", evidence of a manufacturing year 1941. The C 7 Gyro Horizon was used across all aircraft of the US Army Air Corps, including bombers B 17, B 24, B 25, fighters P 38, P 40, P 47, P 51, and transport C 47. The Gyro Horizon provided visual cues to the pilot regarding the