Tachometer, Jet Engine, Type E-34 Vulcan When rotated to the desired

When rotated to the desired letter by the Sender

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

Cabin Altitude Selector

and lettering are in exceptional condition

It is not a photocopy nor a CD

Tachometer, Jet Engine, Type E-34 Vulcan When rotated to the desiredThis 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