Advanced theory of electricity and magnetism, a text-book for colleges and technical schools (1915)
Franklin, William S. (William Suddards), 1863-1930, MacNutt, Barry, 1878-1936, joint author · New York, The Macmillan company; London, Macmillan & co., ltd. · leaf 22
Fig. 12a. Fig. 12&. iron or steel from the eye. If it is desired to separate magneticparticles from non-magnetic particles in a finely crushed ore, apointed magnet pole must be used to attract the magneticparticles. 12. Gausss method for measuring the horizontal com-ponent Hf of the earths…
Electricity · Magnetism
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