Imperial Airways Armstrong Whitworth Argosy Airliner, c 1925.

Model. Imperial Airways was formed in 1924 to operate national airlines and to develop the airline routes to Europe and the Commonwealth. Imperial Airways took over an asortment of aircraft that had been used by a number of independent companies, especially machines used during wartime. The Armstrong Whitworth Argosy was an example of one of these. Seating 28 pasengers, the Argosy could cruise at 90 mph with a range of 400 miles.