Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 138
les near eachother, their combined effect on the iron filings may be easily ob-served. The figures will be widely different. MAGNETISM. 307 433. Magnetic Field.—A magnet seems to be sur-rounded by an atmosphere of magnetic influence calledthe magnetic field. (See § 450^? and Appendix N.)The…
Electricity · Magnetism
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