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How to make and use electricity .. (1889)
Trebel, George. [from old catalog] · New York, F. Tousey · leaf 16
a finechain or tinsel cord falls on the table so as to connect it withthe ground. The clappers—two in number—are hung by silkthreads between the bells and consist of small bits of copper, ironor brass. Now, when the machine is turned, the outer bells im-mediately become electrified and attract the… … © © <S keeping the bells constantly ringing. A very moderate amountof electiicity is sufficient for this experiment. This also demonstrates very clearly that like currents repel,and opposite currents attract. It also shows that a body willhold just so much current, and no more. The best…Electricity
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