(Jacob Degen's 1808 ornithopter with flap valves, in which the pilot stood on a rigid frame and worked the wings with a movable horizontal bar, from 'Les Merveilles de la Science', published c.1870 (litho))French School |
€ 119.25
Enthält 0% MwSt.
|
Udatert · lithograph
· Bilde ID: 1492787
Private Collection / Bridgeman Images |
0 Vurderinger |