alb9097559
Paul Cornu's helicopter 1907 - the first helicopter to achieve free flight, a twin-rotor machine designed by French cycle-dealer Paul Cornu and test flown at Lisieux on 13 November 1907. Forwarded by a 24hp Antoinette engine, the machine attained a maximum of 20sec in the air at a height of 6ft.. ©TopFoto
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Paul Cornu's helicopter 1907 - the first helicopter to achieve free flight, a twin-rotor machine designed by French cycle-dealer Paul Cornu and test flown at Lisieux on 13 November 1907. Forwarded by a 24hp Antoinette engine, the machine attained a maximum of 20sec in the air at a height of 6ft.. ©TopFoto
Paul Cornu's helicopter 1907 - the first helicopter to achieve free flight, a twin-rotor machine designed by French cycle-dealer Paul Cornu and test flown at Lisieux on 13 November 1907. Forwarded by a 24hp Antoinette engine, the machine attained a maximum of 20sec in the air at a height of 6ft.. ©TopFoto
Crédit: Album / TopFoto
Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 5485 × 3984 px | 62.5 MB
Taille d'impression: 46.4 × 33.7 cm | 2159.4 × 1568.5 in (300 dpi)
Mots clés: HELICOPTERE
