Un projet de ballon dirigeable à voile et de parachute conique.
Picryl description: Public domain illustrated book page scan, drawings, free to use art, no copyright restrictions image.
Projet de ballon dirigeable rotatoire de Pierre Ferrand (1835).
Picryl description: Public domain illustrated book page scan, drawings, free to use art, no copyright restrictions image.
Picryl description: Public domain image of portrait, 18th century prin...
Public domain image, 18th-century drawing, free to use, no copyright restrictions - Picryl description - Picryl description
Projet de ballon remorqué par un gypaète apprivoisé, publié par Mme Te...
Picryl description: Public domain image of an early aircraft, balloon, airship, free to use, no copyright restrictions.
Projet de Louis Panafieu. - Public domain portrait drawing
Picryl description: Public domain illustrated book page scan, drawings, free to use art, no copyright restrictions image.
Projet d'un monument à la gloire des frères Montgolfier; terre cuite d...
Public domain scan of a portrait print, bust portrait drawing, free to use, no copyright restrictions image - Picryl description
Projet de ballon dirigeable de Mathieu (1784).
Picryl description: Public domain image of an early aircraft, balloon, airship, free to use, no copyright restrictions.
Le premier projet de ballon dirigeable à vapeur de Henri Giffard (1851...
Picryl description: Public domain illustrated book page scan, drawings, free to use art, no copyright restrictions image.