Free Air Temperature Indicator, Direct Reading, Type C-13B WWII C-118

Free Air Temperature Indicator, Direct Reading, Type C-13B WWII C-118This is an authentic vintage Direct Reading Free Air Temperature Indicator Type C 13B, 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 70dC 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

where headphones would likely have been the preferred method of rendering audio to the crew)

ID-322 as used in the AN/ARN-30 Radio Receiver System (see photos of system and its description in gallery) during the 1950s-60's

Only a few knobs function

Here is another exceptional artifact from the iconic WWII-era US Navy Torpedo Bomber

the vertical flight gyro

Otherwise all knobs turn and the fuse is intact and in place

Type 99 Trainer

B-47 Stratojet

indicative of a year of manufacture of 1943

HAYES G-3-217

The knob turns and the display rotates as it should

It was a late war innovation that used the aircraft altitude and speed with the direct correlation of where the weapon was pointed to calculate the reticle