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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 120

An illustration from Wonders of electricity, 1872, leaf 120
CONSTRUCTION OF LINES. 97 enough, the wire will sag, and under the action of thewind will strike the other wires, as well as otherobjects that are found in the way. If, on the otherhand, the tension is too great, the wire will either … Tension Katchets. break, or it will strain upon the posts too much—seriously endangering their stability. Many experi-

Electricity

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