Tachometer, Jet Engine, Type E-34 Vulcan the altimeter is an electronic

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

When rotated to the desired letter by the Sender

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

Cabin Altitude Selector

Aircraft which used this tachometer included the US Navy fighters F4U-5 Corsair (per its Parts Manual April 1951) and F8F Bearcat (per its Erection and Maintenance Manual March 1948)

Tachometer, Jet Engine, Type E-34 Vulcan the altimeter is an electronicThis 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