Magnetic needles on a terrella will point towards
Magnetic needles on a terrella will point towards the north pole, A. other needles will do likewise, even though the surface of the terrella is uneven, as at O. From William Gilbert De Magnete, London, 1600
Picture No
13907723
Media ID
48444226
Size
6000px x 6213px
(2.9MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























