F9F-8 Panther Fighter Cruise Control / Rest / Climb-Descent Combination Computer 1956 F-94 It appears that the lens

It appears that the lens can be removed and the upper and lower operating limit indicators can be set by sliding the triangular pointers along the scale (we have not attempted this in order to preserve the artifact)

This is a WWII-era Exhaust Differential Pressure Gauge

indicating altitude to 4

the indicator displayed total fuel quantity up to 16

though slow

F9F-8 Panther Fighter Cruise Control / Rest / Climb-Descent Combination Computer 1956 F-94 It appears that the lensThis is a Korean War era Flight Computer designed specifically for the US Navy's jet fighter, the Grumman F9F 6 Panther, equipped with twin J 48 P 8 engines. It includes a Rest Computer (Rest meaning not flying under combat conditions) on one side and a Climb Decent Tabulator on the opposite side. these are essentially 2 disc, 7 inch circular slide rules.