Text Appearing Before Image: FIG. 674.—COOK THREE-BOLT CLAMP. FIG. 675.—THIMBLE. U-bolt clamps sustain loads of from 600 to 2000 pounds withoutslipping of the guy wire; two-bolt clamps from 1000 to 4500 pounds,and three-bolt clamps from 1100 up to 6000 pounds. i M-^, a c 1 o ;si §1 r I r t;S z n Text Appearing After Image: 795 796 AMERICAN TELEPHONE PRACTICE. A thimble (Fig. 575) of galvanived steel is used for attaching theguy wire to the anchor rod, as shown in Fig. 569. The wire used in guying may consist of one or more strands ofXo. 9 or 10 B. & S. steel wire twisted together, but a better plan isto use the regular steel cables, thoroughly galvanized, furnished bythe several reliable wire manufacturers. This has the advantage of
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