Natural philosophy. being a hand-book of chemical physics, or, The physics of heat, light and electricity (1869)
Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 217
north to south all these move-ments are reversed. Note.—In order to impress on the memory the direction in which theneedle is thus deflected by the conjunctive wire, the following formula hasbeen devised by Ampere: Let any one identify himself with the current or suppose himself to belying in the… … ilO ELECTRO-MAGNETISM. GALVANOMETERS. 549. The Galvanometer is an instrument used for measuHngthe intensity of the electric current. It was constructed bySchweigger, and depends in its action upon the deviation of amagnetic needle across the line of the electric current. Fig. 59.Tbc principle on…
Physics
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