Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 434
pass from end to end of the core. The effect of the core,therefore, is to inci-ease the number of lines of force whichare concentrated at the different poles, and conser^uently toincrease the power of the magnet. The strength of the magnet may be still further increasedby bringing the polesclose…
Physics
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