Illustratoin of a heliostat invented by the French physicist Leon Foucault (1819-1868). Heliostats are devices designed to track the sun across the sky and continually adjust their mirror to reflect the sun's rays to a fixed location. From 'Les Applications de la Physique' by Amedee Guillemin, Paris, 1874. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
Bildgröße: | 3390 px × 2837 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |