French submarine Narval designed by French engineer Maxime Laubeuf (1864-1939) for the French Navy. The Narval was a double-hulled craft that was propelled by a steam engine on the surface and by electric motors when submerged. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US Navy |
Taille de l’image : | 5770 px × 3636 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |