Gilbert on magnetism. Page from 'De Magnete' (On the Magnet,1600) by English physicist William Gilbert (1544-1603). This chapter was titled 'On the essential magnetick activity sphericallyeffused'. The diagram shows: 'motions in magnetick orbes'. 'De Magnete' reported Gilbert's studies of magnetism and electricity. He theorised that the two forces were closely related. He also considered the Earth to be a spherical magnet,and used the attraction of magnets to it to determine latitude at sea. This first edition of 'De Magnete' consisted of 115 chapters in six books and 246 pages. This is page 206,chapter 11,book 5 | |
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