Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 the bellow causes a pen

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

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

and the other for Outside pressure/altitude

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

It is clearly experienced but in good condition given its age

Free Air Temperature Indicator, Direct Reading, Type C-13A WWII AT-6 the bellow causes a penThis 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