Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 736
les. Under the influenceof the natural magnet, these plates become magnetised, and if the lettersA and B represent the position of the poles of the natural magnet, the polesof the armature arc n and l>. 710. Portative force.—Yho. par/a five force \s the greatest weight whicha magnet can support.… … Fig. 686 -711] Circumstances zvkich influence the Power of Magnets J17 horseshoe magnet, which, by repeatedly detaching the keeper, had Ijecomeconstant, may be represented by the empirical formula in which P is the portative force of the magnet,/ its own weight, and a acoefficient which varies with…
Physics
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