Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 819
FIG. 680.—HELVIN TIE. main lead. This is shown in the upper left-hand corner of Fig.576. The use of cable for corner and branch work frequently savesmuch complexity in difficult places, leaving the work much moreopen and clean. … COPPER-WIRE TIE. After about a mile of pofes have been set and guyed, and thecross-arms, pins, and insulators put in place, the process of string- 798 AMERICAN TELEPHONE PRACTICE. ing, where but a few wires are to be run, consists in placing thereels on hand barrows, as is shown in Fig. 577, or on…
Telephone
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