Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 377
ron bar, as in Fig. 339, a strong consequent pole is devel-oped in the center of the bar, which is of the same name asthat of the ends of the magnets touching the bar. 354 EXPERIMEXTAL SCIEXCE. MAGNETIC CURVES. A great deal may be learned about the properties ofmagnets by causing them to delineate… … The Formation of Magnetic Curves. selves parallel with the lines of force extending from themagnetic poles. The figures thus formed are not, of course,entirely autographic: and as they tend to develop in lines,they convev the erroneous idea that the lines of force, asspoken of in connection with…
Physics · Lantern projection · Electric apparatus and appliances
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