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 21
—(GHbert). CHAP. I.] ELECTRICITY AND MAGNETISM. be flannel, woollen cloth, or, best of all, furdiscovered that an electri-fied body is itself at-tracted by one that hasnot been electrified. Thismay be verified (see Fig.3) by rubbing a stick ofsealing-wax, or a glass rod,and hanging it in a wireloop… … Fig. 2 n indiarubber, or even if drawn between two pieces ofwarm flannel, and then held up by one end, will be found to be attractedby objects presented toit. If held near thewall of the room it willfly to it and stick to it.With proper precau-tions it can be shownthat both the rubberand the thing…
Electricity · Magnetism
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