A manual of electricity, magnetism and meteorology (1844)
Lardner, Dionysius, 1793-1859, Walker, Charles Vincent, 1812-1882 · London Longman, Brown, Green & Longmans · leaf 479
for the metallic arch bywhich, in the formercase, the copper vesselwas supported. Thisarrangement is shownin Jig. 201. The effect of op-posite magnetic polesmay be exhibited byusing a horse-shoe Fig. 202. magnet as repre-sented in fig. 202.,each pole supportingsimilar vessels of zincand copper… … CHAP. II. ROTATION OF CURRENTS. 443 motions on the two arms of the magnet will be in con-trary directions. (440.) To cause a magnet to turn on its own axisby an electric current transmitted parallel to it. The tendency of the conductor on which a current Fig. 203. EJ
Atmospheric electricity · Electricity -- Early works to 1850 · Magnetism
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