Swedish-American inventor John Ericsson's machine,1883,which used reflector with silvered glass plates to reflect Sun's heat to cylinder containing water so producing steam to drive a pump. Engraving from ''La Nature'',Paris,1884 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 5100 px × 3552 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |