A. A. Mason

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A. A. Mason (or A. Masson) was an aero inventor from Cincinnati reported in 1934 to have built an "aerial steamboat" with a 2-horsepower steam engine driving four silk-covered propellers: two horizontal propellers and two vertical helicopter blades.[1][2][3]


References

  1. Crouch, 1981, p. 16.
  2. Tom D. Crouch, "Above & Beyond: The Oldest Powered Flying Machine?", Air & Space Magazine, September 2010.
  3. "Aerial Steamboat", reproduced from Cincinnati Daily Gazette in Mechanics' Magazine Vol. 4, No. 1, 26 July 1834, p. 453.