Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 199
ar-mao-net, while Fig. 230 shows it about similar poles of two bar-magnets - ^,.- standino: on end. ^^J§^>.Y.m:.r5::,w.-iv-W,-^,r:f.&^^^^ The magnetic force, as we have seen, isgreatest in the neigh-bourhood of the poles,and here the curvesshown by the filingsare closest together.Thus the… … Fig. 230.—Field of force of two like poles. 192 MAGNETLSM There are several ways of nialciiii^ tlieso iilin<^s figurespermanent. Some pliotograpliic process gives the bestresults, but a convenient way is to produce the figures onpaper which lias been dipped in melted paraffin, and then toheat…
Physics
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