Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 371
Magnetization of Bars. >lagnetization of U-Shaped Bars. pro.ximity to a magnetic needle, it is shown by the deflec-tion of the needle that magnetism is developed by torsion(Fi&- 11^)- -By this and similar experiments it may beshown that stress and compression favor magnetization. MAGNETISM.…
Physics · Lantern projection · Electric apparatus and appliances
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