Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 40
rges of opposite sign on thetwo opposed surfaces attract one another more andmore strongly and accumulate more and more densely,until, as the electrified body approaches very near, a sparkis seen to dart across, the two charges thus rushingtogether to neutralise one another, leaving the… … 22 ELEMENTARY LESSONS ON [chap, i induction to explain why an electrified body shouldattract things that have not been electrified at all. Leta light ball be suspended by a silk thread (Fig. 11), anda rubbed glass rod held near it. The positive chargeof the glass will induce a negative charge on…
Electricity · Magnetism
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