19th Century induction coil. Illustration of an electrical coil inductor (Ruhmkorff coil) with a Foucault switch, as designed by the German instrument maker Heinrich Daniel Ruhmkorff (1803-1877). Published in 'Physique populaire' by Emile Desbeaux (1891). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
Bildgröße: | 3898 px × 2463 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |