Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 273
rve or comer. Fig. 2 indicates the methodof guying a line at a road crossing. 258 TELEGRAPH ENGINEERING To consider a specific example, assume a bend of i6odegrees in a 24-wire, 3-arm pole line of No. 9 B. & S. gagecopper wire, supported on white-cedar poles projecting 30feet above the ground… … Fig. 2. corner pole acting at the center of load (say at a point 25feet from the ground) necessary to break the pole is t = — 6000 = 3390 pounds. o X 25 If the tension of each wire be 200 pounds, the transverseforce due to wire tension at the corner pole is F = 2 X 24 X 200 COS = 1670 pounds. and…
Telegraph
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