Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 184
the telegraph wire. The course of the electric cur-rent is from the copper end of the battery through thetransmitting instrument, then along the wire to thereceiving instrument; from that it passes to the earthand is thus returned to the transmitting station, whereit completes the circuit by being… … The wire from (7, which is the copper pole of thevoltaic battery, is connected with the instrument A ;the electric current is then transmitted along the wireD to the receiving instrument JS / thence it is trans-ferred to the earth-plate ^5 passes through the earth tothe corresponding plate jE,…
Inventions
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-260-134.webp)
