The Aeroplane magazine, dated July 30, 1954. It is not a modern reproduction. Headline: THE DECCA FLIGHT LOG.
Original 1954 Advert Decca Navigator Flight Log Aviation Navigation
Original 1953 Advert Decca Airfield Control Radar Jet Age Aviation
Original 1954 Advert Westland Turbine Powered Helicopters Range
Original 1954 Advert De Havilland Propellers Dove Aircraft
