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Scientific American, Vol. 62, No. 8 (February 1890) (1890)
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des nations per second, the difference of potential between one-twentieth the number of turns of the the dynamo terminals being 1,000 volts. primary. This reduces the electro-motive As far as risk to life is concerned, a circuit is dan- force or difference of potential to one-twen- gerous when it… … placed one on the other, the intro- one is a fiattened coil built up of cop- Yig. 6.-SHALLEHBEBGEB ELECTBIC METER. © 1890 SCIENTIFIC AMERICAN, INC.Patents · Current · Zinc · Scientific American · Solution · Steam engine · Patent office · Post office · Hydrochloric acid · Water gas · Electric lighting · Saturated solution · Sulphuric acid · Electromotive force
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