Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 252
gnetic effects ; the more turns of wire the moredecided the effects. Two solenoids suspended to movefreely near each other act exactly liketwo magnets. Figure 135 representsa piece of apparatus, consisting of acoil of several turns of insulated wirepassed through a heavy piece of card-board, which… … 238 ELECTRICITY [§§ 381-383
Physics
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