En terrella eller kugleformet magnet med jernklumper, der forestiller bjerge, og som viser en magnetnåls nordsøgende egenskab. Fra William Gilberts De Magnete, London, 1600(A terrella or globe-shaped magnet with lumps of iron to represent mountains and showing the north-seeking property of a magnetic needle. From William Gilbert De Magnete, London, 1600)William Gilbert | |
| € 135.31
Inklusive 25% moms | |
|
16. århundrede
· Billed-ID: 286862
0 / Bridgeman Images | |
| |