This is the display and keyboard, manufactured by the Delco Division of General Motors, for an Inertial Navigation System that would be installed in a commercial jetliner. The system allowed the crew to navigate on trans-oceanic flights and in other areas out of range of ground radio or radar stations.
Donated by the Delphi Corporation.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.