Abel Pifre's solar-powered printing press, c1894 (c1927). This used Augustin Mouchot's solar engine in which a mirror focused the Sun's rays onto a small boiler (patented in 1861). From Le Petit Inventeur, (Paris, c1927). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3459 px × 5049 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |