Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 802
which poles shouldbe set in the ground. The character of the soil, the distance betweenpoles, the number of wires carried, the height of the pole and thesharpness of the turns made in the line must all be considered in FIG. 549.—DIGGING BAR. determining this question. For average work the data… … ■AUGER. On curves or corners the holes should be dug from 6 inches to afoot deeper than is specified in this table. After digging the holes the poles are carried or rolled by cant-hooks (Fig. 551) so that the butt of each is over its hole. Apiece of scantling, or preferably a hardwood board, is…
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