Inside Out Library · Explore

American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 813

An illustration from American telephone practice, 1905, leaf 813
FIG. G6e.—GUY AT CROSSING. top and bottom arm. To guy from the top of the pole only, as isfrequently done, causes the latter to bow toward the center of the … FIG. 567.—PUSH POLE BRACE. curve at the lower cross-arm, and frequently causes the pole to breakat that point, usually in the gain of the lower arm. On the other 792 AMERICAN TELEPHONE PRACTICE. hand, to guy from the lower cross-arm usually causes a pole to bow-in the other direction with the same…

Telephone

Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from American telephone practice

More like this