Elementary lessons in electricity & magnetism (1895)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916 · New York and London, Macmillan and co. · leaf 14
ch bodies were, on that account,formerly termed non-electrics; but the term is erroneous,for if they are mounted on glass handles and then rubbedwith silk or fur, they behave as electrics. 4. Electric Repulsion.—When experimenting, as inFig. 1, with a rubbed glass rod and bits of chopped paper,or… … and fly back to the table. To show this repulsion better,let a small piece of feather or down be hung by a silk thread to a support, andlet an electrified glass rodbe held near it. It willdart towards the rod andstick to it, and a momentlater will dart away fromit, repelled by an invisibleforce…
Electricity
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