Fuel Pressure Indicator, Type C-16, US Air Force WW1 The knob turns the compass

The knob turns the compass card when depressed

as used in USAF aircraft of the late 1940's

hydraulics

In the photo gallery

Fuel Pressure Indicator, Type C-16, US Air Force WW1 The knob turns the compassThis is a Korean War era Fuel Pressure Indicator, Type C 16, as used in the US Air Force's first jet fighter, the Lockheed P 80 (later known as F 80) Shooting Star. This has been confirmed in the F 80 Illustrated Parts Manual dated 1958. Also see image of the panel from the P 80 Flight Manual dated 1945. This was also used in versions of the trainer T 33, according to its parts manual dated 1955. The C 16 Fuel Pressure Indicator displays pressure up