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Autogyro - Wikipedia
The magnificent Pitcairn PA-19 cabin autogiro. My plan to resurrect this type: Step 1, get all the money in the world. Step 2, have o… | Вертолеты, Авиация, Самолет
Autogyro - Wikipedia
Soar Together at Air and Space: From Autogiros to Helicopters | National Air and Space Museum
Autogyro - Wikipedia
AutoGyro MT-03 - Wikipedia
Dorand Gyroplane G.20 (G.II) | Old Machine Press
Mathematics | Free Full-Text | On the Stability of la Cierva's Autogiro
Some of the first models of the autogiro, the predecessor of helicopters, designed by Juan de la Cierva. Its first succesful flight was a 183 m "jump" achieved in 1923 in Getafe,
File:Autogyro at Farnborough, 1925 (Our Generation, 1938).jpg - Wikimedia Commons
The Autogiro (1920s-)
Autogyro - Wikipedia
Contributions of the Autogyro - Aviation History - Century of Flight