Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 269
this point it may be well to add that the presenceof the iron not only diverts the lines of force from thenatural path, but also increases their number, for asthe path through the iron offers much less resistance, the. 270 ELEMENTARY ELECTRICITY same amount of electric current flowing in the wires… … Fig. 134. this is that in which there are two coils, one on eachside of the armature. To construct such a magnet fromFigure 134 it would be necessary to make two magnetssimilar to that in the figure, and then bring them togetherwith the two A* poles on one side and the 5 poles on theother. If the…
Electricity
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