F9F-2 Panther Fighter Cruise Control / Rest Computer with Manual 1952 Viscount The black dial face shows

The black dial face shows some pitting

Used to alter the Heading Index

is a small airborne superheterodyne receiver with frequency range of 200-400 KC for receiving signals from ground-based transmitters within a range of 150 miles

evidence of a year of manufacture of 1949

F9F-2 Panther Fighter Cruise Control / Rest Computer with Manual 1952 Viscount The black dial face showsThis is a Korean War era Flight Computer designed specifically for the US Navy's jet fighter, the Grumman F9F 2 Panther. It is specifically a Rest Computer, meaning not flying under combat conditions, and is essentially a 2 disc, 7 inch circular slide rule. It includes the package sleeve and manual.