Mechanical Navigation Computer, mark 111C.

Servo Operated Navigation Display for Fighter Aircraft

Aircraft Zero Reader. Similar to Sperry Version.

Air Position Indicator, 1920-1970

1920-1970

Automatic Dead Reckoning Instrument System

Topographical Navigator Display

Mechanical Height and True Airspeed Computer

Artificial Horizon, Mk 6D.

Ground Position Indicator, 1920-1970

1920-1970

Three Off Omega Navigation Monitors for Aircraft Use

1963-1970

Mechanical Aircraft Navigation Computer

Head Down Moving Map Navigation Display

Mechanical Height and Airspeed Computer, Mk IIA.