An illustration of Francis Lana's proposition for a flying machine. Lana (1631-1687),a Jesuit,proposed navigating the atmosphere by raising a sailboat attached to very large copper balls. He believed that the thin copper balls would,once emptied of air,be lighter than air and therefore lift the boat | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NYPL |
Bildgröße: | 2642 px × 3972 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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