Air Position Indicator, 1920-1970
1920-1970
Mechanical Navigation Computer, mark 111C.
Aircraft Zero Reader. Similar to Sperry Version.
Servo Operated Navigation Display for Fighter Aircraft
Automatic Dead Reckoning Instrument System
Mechanical Height and True Airspeed Computer
Topographical Navigator Display
Ground Position Indicator, 1920-1970
1920-1970
Artificial Horizon, Mk 6D.
Three Off Omega Navigation Monitors for Aircraft Use
1963-1970