Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 186
MAGNETISM AND THE ELECTROMAGNET 171 … south pole of a magnet. We cannot obtain a free north pole,that is, a north pole separate from a south pole, but we can usea small magnetic needle tomark out the magnetic linesof force of a magnet. If a small compass is placednear the north pole of amagnet and then moved ashort distance at a time…
Physics · Home Economics
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