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Scientific American, Vol. 32, No. 2 (1875) (1875)

leaf 9

An illustration from Scientific American, Vol. 32, No. 2 (1875), 1875, leaf 9
in five sections, which worked from six to nine months each: or soa the outer coating. The statical charge of which a but was never in working order from end to end. line of telegraph is then capable shows that the electric force BY GEORGE B. PRESCOTT. The total length of all the cables which have… … Philadelphia line in the Passaic river, and has been so snc- | the ocean bed. Not infreqnently the iron wire of thesheath- ally. The effect of lateral induction is to retard the time of cessful that the company intend to try to cross from Jersey | ing is also protected from corrosion by tarred…

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