19th Century eddy switch. 1891 illustration of a large eddy switch as designed by the French physicist and astronomer Leon Foucault (1819-1868). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Collection Abecasis |
Taille de l’image : | 3012 px × 3189 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |