Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 186
elves along the lines offorce. The lines of forceabout a bar magnet areshown in Fig. 113 and abouta horseshoe magnet in Fig.114. Each iron filing becomesa magnet by induction whenit enters the field of themagnet. It is in reality asmall compass; and whenthe glass is tapped, the filing is turned by… … FIG. 113. — The magnetic field about abar magnet. 172 PHYSICS OF THE HOUSEHOLD
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