Natural philosophy. being a hand-book of chemical physics, or, The physics of heat, light and electricity (1869)
Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 210
r the double touch as described above forstraight bars. In all cases after performing the operation on one side, thebar should be turned over and the process repeated in the same manner. 524. If a soft iron bar be placed within the inductive influenceof a powerful magnet, and while in that position… … steel bar, is by placing it within the coils of an electfo-mag-netic spiral, as in Fig. 58. Ifthe lielix is direct (see Art. 5.55), FS- ■*^- the north pole of the magnet isnext the zinc plate, but with .1left handed helix the north poleis next the copper plate. With aspiral of sufficient…
Physics
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