Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 594
ween a Ley den jar and a submarine wire. In a Leyden jar the inner and outer coatings are perfectly insu-lated one from the other. If they were not insulated there could beno statical charge, as is well understood by all electricians. Inductiontherefore involves insulation. But in a submarine… … On the Theory of Electricity in Submarine Telegraphy. 135 tions would be nearly the same. In practice, however, it is quite openthrough the instrument to the earth, and the resistance opposed bythe very long length of wire is the only insulation between the innerand outer coatings, for it…
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