The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 76
. 59 Unmagnetized iron or steel is attracted by either poleof the magnet, and apparently attracts either pole, butonly as the result of reaction, being itself magneticallypassive. Magnetic Lines of Force.—If a sheet of paper be placedover a bar magnet and iron filings dusted over it, thesheet being… … Fig. 25.dissimilar poles being, mutually attracted, attach them-selves to each other, while their similar poles aremutually repelled; hence poles of the same name allpoint in the same direction. The lines of force, radiating from each pole of themagnet, being mutually repelled and attracted…
Electricity · Magnetism
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