Illustration showing the Earth as a magnet
Illustration showing the Earth as a magnet, showing how pieces of lodestone line up with the magnetic poles. From Athanasius Kircher Magnes: sive de arte magnetica, 1643
Picture No
13912243
Media ID
48525196
Size
4525px x 4635px
(5.8MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























