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
Ground Position Indicator, 1920-1970
1920-1970
Automatic Dead Reckoning Instrument System
Mechanical Height and True Airspeed Computer
Topographical Navigator Display
Artificial Horizon, Mk 6D.
Three Off Omega Navigation Monitors for Aircraft Use
1963-1970