An early personal flying machine, with two helicopter rotors powered by a backpack mounted engine, on display at the air and space museum at Le Bourget, Paris, France. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Williamson, Mark |
Taille de l’image : | 5128 px × 3408 px |
Model Release : | Non requis |
Restrictions : |
|