, new device for cutting the lines of force, in the place of the revolving coils or bobbins. It consists of along soft It will be remembered, from the previous lecture (see page iron bar, a cross section of which is shown in Fig, 181, current volume), that every magnet is surrounded by a 2. The… … posed to do away with thesmall magnet entirely. constructed his apparatus. The principle of this discovery was then shown That looked very much like perpetual motion, sidual magnetism left in thearmature, when the machine has It had taken, before, 226 Bun- once been started, to produce a feeble…
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