Shen Kuo, scientist of Northern Sung, mentioned in Discourses at Menghsi four different methods of installing a magnetic needle. He is the first one to deal with artificial magnetization. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENCE SOURCE / New York Public Library |
Bildgröße: | 2670 px × 3214 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |