Wright, Mark R., 1854- · London : Longmans · leaf 164
Fig. 150. of the curves at any point is the direction any small needle wouldrest in under the influence of the respective poles. The curvescalled by Faraday, lines of force, begin at a pole, and end ina pole of opposite name. The filings congregate the thickest Terrestrial Magnetism ISS where the… … magnet (fig. 149), (2) a horse-shoe magnet (fig. 150), and (3)two magnets with poles of opposite names near each other(fig. 151) are illustrated. The form of the curves of a magnetic field can be preserved, byplacing over the filings a sheet of paper, that has been brushed overwith a solution of…
Physics
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