Meadowcroft, Wm. H. (William Henry), b. 1853 · New York & London, Harper & brothers · leaf 101
WIR.E CIRCUIT … CLOSED rent cannot pass on. The simplest form ofswitch is seen in the sketch. (Fig. 26.) You will see that there is a wire cut in two,and to one piece is attached a metallic piece,A, which turns one way or the other, andwhen it is turned so as to touch the otherpart of the wire the circuit is…
Electricity
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