Free Air Temperature Indicator Type C-12 US Army Air Corps Weston 102134 Avro This looks very similar to

This looks very similar to the altimeter depicted in the JN-4D Curtiss Jenny cockpit at the US Naval Aviation Museum website

Pulling the right hand knob cages the gyro

As the airspeed increases

The attitude control switch has a metal guard which prevents it from being switched off

Here is an authentic vintage aircraft Radio Compass Heading Indicator made for the Bendix Radio Compass system by The WW Boes Co

Free Air Temperature Indicator Type C-12 US Army Air Corps Weston 102134 Avro This looks very similar toHere is a WW2 vintage electrical Free Air Temperature Indicator, used to measure outside air from 45 to +45 degrees C, Type C 12. Embossed on the face (black on black) is AC USArmy (Air Corps), so it is pre March 1942 vintage. The C 12 indicator was used in a variety of WW2 aircraft, primarily trainers. This case of this indicator is not affixed, and can be easily removed to inspect the internal mechanism. The glass is loose and appears to need a new