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Scientific American, Vol. 62, No. 8 (1890) (1890)
leaf 7
cludes 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… … placed one on the other, the intro- one is a flattened coil built up of cop- © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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