Helicopters built between 1907 and 1935

Breguet-Richet Gyroplane No.1 1907 Cornu, вертолет 1907 Breguet-Richet Gyroplane No.2 1908 Bertin, конвертоплан 1908 Ellehammer, вертолет 1912 Villard, вертолет 1912 Decazes "Helicoplane" 1912 Papin & Rouilly "Gyroptere" 1915 Douheret, вертолет 1919 Brennan, вертолет 1924 Oemichen No.1 1920 Oemichen No.2 1922 Oemichen No.3 1924 Pescara Stoppable Rotor-Wing 1922 - project Pescara No.3 1923 Baumhauer, вертолет 1925 Chauviere "Gyroptere" 1927 Asboth вертолет 1928 Флорин, вертолет 1930 Ascanio вертолет 1930