Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 The markings are clear and

The markings are clear and the glass and case are intact

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

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

from 0-350 deg C via dual thermocouple

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

Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 The markings are clear andThis 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