Free Air Temperature Indicator, Type C-8 US Army Air Corps Weston 728 T-20 Korean War as well as Bombers B-17

as well as Bombers B-17 Flying Fortress and B-26 Marauder

The periscope would be positioned to view the terrain directly below the fuselage while in flight

the flight engineer controlled the degree to which each engine's intercooler flaps were open and thus managed the carburetor air temperature

made by Fairchild

or transport aircraft such as the C-46 or C-47

Free Air Temperature Indicator, Type C-8 US Army Air Corps Weston 728 T-20 Korean War as well as Bombers B-17This is an exceptional example of the WWII era electrical Free (i. e., ambient) Air Temperature Indicator, US Army Air Corps Type C 8, as used in versions of the heavy bomber B 24 (see photo of instrument panel from a B 24 Flight Manual showing the location of the indicator), also medium bombers B 25 C D Mitchell and B 26 B C Marauder, transports C 87 and C 45, and trainers AT 7 and AT 11, according to the Maintenance Interchangeability Cross