Magic, pretended miracles, and remarkable natural phenomena (1855)
Religious Tract Society (Great Britain), McManus-Young Collection (Library of Congress) DLC · Philadelphia : American Sunday-School Union ; London : Religious Tract Society · leaf 146
ectric current; then, pressing the wireagainst pins connected with the battery-poles,the coils of wire receive their full deflectiveforce, and attract the magnetic needles to eitherside, according to the couise 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 · Miracles · Curiosities and wonders
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