Magnetism, 1600. Magnetic needles on a terrella will point towards the north pole (A). Other needles will do likewise, even though the surface of the terrella is uneven, as at O. From De Magnete by William Gilbert. (London, 1600). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 4106 px × 4251 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |