Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 23
suspended magnet it will be repelled, and if presentedtowards the south pole it will be attracted. If, on the otherhand, the south pole be presented to the north pole of thesuspended magnet it will be attracted, and if the south polebe presented to the south pole it will be repelled. Hence we… … Fig. 4. ing each other. This property affords a delicate means ofdetecting feeble magnetization. A long light magnet, sup-ported in a paper stirrup and suspended by a few fibres ofcocoon silk (see Fig. 2), is easily deflected from its normaldirection. If on presenting the same part of a body to…
Electricity
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