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

was made by RC Allen

” We all long and clearly understood who was the real culprit of all our misfortunes and misfortunes of our homeland

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

see illustration from its Erection and Maintenance manual dated 1945

the bellow causes a pen scribe to rise along the strip chart

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