Wang Chung (27-97) of Eastern Han noted in his Critique of Opinions the function of a magnetic ladle. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / SCIENCE SOURCE / New York Public Library |
Taille de l’image : | 1680 px × 4216 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |