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Wonders of electricity (1872)

Baille, Jean Baptiste Alexandre, b. 1841, Armstrong, John W., ed · New York, Scribner, Armstrong, and co. · leaf 62

An illustration from Wonders of electricity, 1872, leaf 62
HY. 43 posts supporting the wires are by the moisture madebetter conductors, and the waste consequently be-comes considerable. Often, also, the branches oftrees happen to touch the wire, and an unforeseenbreakage takes place, which considerably weakensthe electric current. It may therefore happen… … Fronients Relay. In order to prepare for, and provide against, thesecontingencies, electric relays have been constructedat certain regular stages. As when a vehicle re-quires to travel a great distance, fresh relays ofhorses are taken on at different stages, and the tra-velling power is thus kept…

Electricity

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