Tachometer, Jet Engine, Type E-34 Vulcan published by the US Army

published by the US Army Air Force in January 1944

When rotated to the desired letter by the Sender

The center knob is to set the desired course and to cage the gyro

and lettering are in exceptional condition

the altimeter is an electronic repeater of the information received from the CPU-46A altitude computer

Tachometer, Jet Engine, Type E-34 Vulcan published by the US ArmyThis electrical Tachometer was used in Cold War era jet fighters and trainers of the United States Air Force, such as the F 86 Sabrejet, F 94 Starfire, and T 33 Shooting Star. Made by General Electric, to USAF spec Type E 34, part number 8DJ57HAA. Has a serial number prefix of AF 52, likely made for a USAF aircraft order in 1952. The small pointer indicates engine RPM around the inner scale up to 50%, then the larger pointer indicates RPM around the