William Watson's (1715-1787) glass-globe electrical machine generating a charge which is passed through the man standing on an insulating block of resin. A spark was created as the man's fingers were touched by an uninsulated person. Copperplate engraving 1797 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 4014 px × 2177 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |