Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 36
net the freemagnetism along the edges causes some of the lines not to pro-ceed directly from the poles, but always from north-polar tosouth-polar magnetism, as may be seen on examining the figure. chap. ii. ] Field of Magnetic Force. 17 In the system consisting of two poles of like name, thelines… … Fig. 17. In like manner can also be shown the polarity of an ironbar under induction of two opposite or like poles near its ends.Fig. 19 showrs the lines of force in a system consisting of twoopposite magnet poles and a bar of iron between them. If, as sometimes happens in a magnet, intermediate…
Electricity
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