Tachometer, Jet Engine, Type E-34 Vulcan made by Sperry PN 672740

made by Sperry PN 672740 as a "fast-erecting" gyro (as it fast as it could be in the early 1950's)

but it is fully intact

It was used in conjunction with suitable beacons for night landing of parachute troops

It is not a photocopy nor a CD

Right Main

Tachometer, Jet Engine, Type E-34 Vulcan made by Sperry PN 672740This 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