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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 118

An illustration from Wonders of electricity, 1872, leaf 118
Twisting the Wires. wire being fixed in a hole which pierces the cylin-der. The wire is pulled vigorously, first by the hand,and then by means of a tackle and vise. Finally,the wire is cut and the ratchet-wheels turned to regu-late the tension. For this stretching, a certain ap-prenticeship is… … 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

Electricity

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