Suction Gage, US Navy Oscar Fighter This is a complete unbound

This is a complete unbound collection of The Aeroplane Spotter

See images of the scope on the F-94 and the F-89 (instrument panel from the F-89 flight manual)

part number 10499-A

22386 (although it appears closer to the Fl

both of them were still awards

Suction Gage, US Navy Oscar Fighter This is a complete unboundThis is a US Navy Suction Gage, made by Kollsman. It is labeled as last service at Naval Air Station Quonset Point, RI, in 1953. The Suction Gage measured the amount of vacuum generated to power the pneumatically operated gyroscopic instruments, such as the Gyro Horizon (Flight Indicator), the Directional Gyro, and the Turn and Bank Indicator, as well as automatic pilot systems. The vacuum is generated by either a engine powered vacuum pump or