Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 was made by RC Allen

was made by RC Allen

The markings are clear and the glass and case are intact

The crown symbol of the Air Ministry is imprinted on its rear case with its stores reference number

This is a vintage Wing Flap Position Indicator made by General Electric Type DJ-17 Model 8DJ17ABE

Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 was made by RC AllenThis is an authentic vintage Direct Reading Free Air Temperature Indicator Type C 13A, as used in Bombers Boeing B 17 Flying Fortress and Consolidated B 24 Liberator, plus Transport Douglas C 47 Skytrain and others. The instrument indicated to the pilot the aircraft's external air temperature from 60dC to +50dC in aircraft of the Air Force US Army, and would have its stem installed from the cockpit or the bombardier's compartment thru the skin or the