American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 660
cting a telegraph linein a city does not vary much from that in the country, except that, as a rule, the work. WIRE TESTING. 547 owincto the crowded condition of the streets, the presence of paved sidewalks, etc., ismuch more difficult. The work is also rendered more onerous by the more… … HOUSE TOP FIXTURE, DOUBLE, WITH CABLE BOX, ETC. HOUSE-TOP FIXTURES.—In the larger cities a great many wires are supported onwhat are known as roof or house-top fixtures. There are double and singlebouse-to]) fixtures. They are composed of stout scantling, and have perpendicularframes Avith lateral…
Telegraph
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