Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 544
ilystudied by the use of iron filings. The field of force arounda magnet is shown Hi by placing a paperover it, dustingfilings upon thepaper, and tappingit. The filingstake symmetricalpositions, formcurves between thepoles of the mag-net or magnets,and show that thelines of force con-nect the… … Fig. 405. > N ^-- s wm Z Fl». 406. 524 ETHER DYNAMICS. represents the resultant of the forces acting upon it fromeach pole of the system. Fig. 405 represents a magneticfield photographed from a specimen paper, and Fig. 406 is a
Physics
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