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 142
ound it, on making the experi-ment, deflected, that is, turned aside from itsusual bearing of due north and south. Pro-fessor Wheatstone applied this result very in-^geniously. He arranged a series of needles,mounted like that of the compass, and foundthat he could turn any of these aside by… … quoniiy, if an arrangement of needles standingfor so many letters, respectively, were placed at 140 ELECTRICITY. the distance of fifty or a hundred miles, andany of them were acted on by means of wirestraversing the distance, a message could bedespatched at one end of the line, and read offat the…
Magic · Miracles · Curiosities and wonders
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