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Scientific American, Vol. 87, No. 26 (1902) (1902)
leaf 4
piece of sheet metal the center of a system of lines of its own, which, of force of a magnetic field. In 1821 in a series of about the size of an old-fashioned penny is drilled however, unlike those of the magnet, arrange them- brilliant experiments in which the illustrious Fara- through its middle… … electrical science. The as shown by the arrow Fig. 1.—8IMPLE ELECTRO- first figure shows a sim- points. At the _ right, MAGNETIC ROTATOR. © 1902 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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