Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6

Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6This 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

see illustration from its Erection and Maintenance manual dated 1945

which cuts through haze

The E-13 Tachometer was used in various US fighter aircraft

was made by RC Allen

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

The markings are clear and the glass and case are intact

and the other for Outside pressure/altitude

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

from 0-350 deg C via dual thermocouple

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

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

It is clearly experienced but in good condition given its age