Magic, pretended miracles, and remarkable natural phenomena (1855)
Philadelphia : American Sunday-school Union · leaf 146
electric current; then, pressing the wireagainst pins connected with the battery-poles,the coils of wire receive their full deflectiveforce, and attract the magnetic needles taeitherside, according to the course of the current. ELECTRIC TELEGRAPH. 143 Thus, if the stream of electricity passes into… … whole motion necessary to the pointers. Thetime which elapses between the moving of the 144 ELECTRICITY. handles and the effect on the pointers, is im-perceptible, though we must believe that itreally follows it. The dial is divided into fivecircles, each containing a number of letters, orsigns.…
Magic
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