Meadowcroft, Wm. H. (William Henry), b. 1853 · New York & London, Harper & brothers · leaf 36
y bypassing a current ofelectricity throughthem at the most con-venient moment, asyou will see when weexplain some of theelectrical instruments which are used to pro-duce certain effects. (Fig. 4.) Of course there are a great many differentshapes in which magnets are made. Thesimplest is the bar… … Fig. 4 A-B-C OF ELECTRICITY would see them arrange themselves as isshown in the following sketch. (Fig. 5.) The filings would always arrange them-selves in this shape, no matter how large orsmall the magnets were. And, if you were to cut it into two orhalf a dozen pieces,each piece wouldhave the…
Electricity
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