Drawings by Leonardo Da Vinci showing a life preserver,the aerodynamics of vertical flight,and a wooden wing operated by a hand crank | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source |
Taille de l’image : | 2543 px × 3969 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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