F9F-2 Panther Fighter Cruise Control / Rest Computer with Manual 1952 Viscount is a small airborne superheterodyne

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

This example was made by Gebr

The indicator appears to be either pre-WWII or early WWII

evidence of a year of manufacture of 1949

Type A-8 stopwatches were used in any WWII aircraft with a navigator

F9F-2 Panther Fighter Cruise Control / Rest Computer with Manual 1952 Viscount is a small airborne superheterodyneThis 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.