Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 427
ion of their polarities, forming what are termedmagnetic curves. If a plate of iron is caused to intervene between the magnet and tho undersurface of the paper, the magnetic influence is almost entirely cut off. Do artificial ^94. Magucts, if left to themselves, gradu-th^irproper- ^^^Yi ^^1 in a… … MAGNETISM. 423 wiiat Is an nieans of a soft iron bar called an Armature,Armature? represented at A, Fig. 349. This becoming magnetic by induction, reacts upon themagnetism in tlie poles of the magnetic bar, and tends toincrease rather than diminish their intensity.What is the The lifting or…
Physics · Science · Technology
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