St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 31
swung around to their finalpositions. Notice that thefilings have arranged them-selves in lines. These linesshow the positions of someof the Hncs of magnetic forcewhich surrounded themagnet. These lines of force pass from the north pole of a magnet through the air on all sides to its south pole.… … ABOUT MAGNETS AND MAGNETISM. 29 of a horseshoe magnet with round poles, the poles beinguppermost. 39. The Use of Armatures. A magnet attradlsiron most strongly at its poles, because it is at the polesthat the greatest number of lines of force pass into theair. Lines of force pass easily through…
Electricity
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