Sperry, Lawrence, Aircraft Co
Lawrence Sperry was son of Elmer Sperry (Sperry Gyroscope Co.). Worked on aeroplanes from 1911; company founded named Lawrence Sperry Aircraft Co in 1919. In 1920 made cantilever monoplane wing for Curtiss JN, and built experimental triplane amphibian. From 1921 tiny Messenger single-seat biplane (designed by Engineering Division, U.S. Air Service, and called also Verville-Sperry) was in production. Also to official designs built Verville-Sperry Racers. A Messenger brought to England by Lawrence Sperry in 1923 came down in the Channel and Sperry lost his life, after which the company closed.