A magnetized needle pushed through a ball of cork, floating submerged in a goblet of water, 1600. The needle shows the dip and the direction of the magnetic pole. From De Magnete by William Gilbert. (London, 1600). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Taille de l’image : | 3693 px × 4730 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |