History, theory, and practice of the electric telegraph (1866)
Prescott, George B.(George Bartlett),1830-1894 · Boston, Ticknor and Fields · leaf 300
that the line is wholeupon that side ; and if he gets none uponthe other, he cpncludes the line is down,and sends out a repairer to put it inorder. We will now suppose the line to bebroken between Hartford and NewHaven; each operator at his respectivestation puts on his ground wire, andascertains… … Fig. 83. 282 CONSTRUCTION OF TELEGRAPH LINES. repairer from New Haven; New Haven sends his repairer east,with the same instructions. The foregoing diagram (Fig. 83), represents the manner inwhich a circuit is divided into short circuits, when a break hasoccurred. In the diagram, the line having…
Telegraph
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-161-267.webp)
