. American telephone practice . FIG. 570.—GUY WIRE HOOK. FIG. 571.—HALLETT CLAMP. at an angle of approximately 90 degrees to the direction of the guywire. The guy rope should be fastened to the pole by passing it twicearound and clamping it by means of a malleable iron guy which one is shown in Fig. 569. In order to protect the pole and to keep the guy wire from slippingdown the pole, guy wire hooks are used such as are shown in 794 AMERICAN TELEPHONE PRACTICE. Several good forms of guy wire clamps are on the market. Thesehave from one to three clamping bolts according to the
. American telephone practice . FIG. 570.—GUY WIRE HOOK. FIG. 571.—HALLETT CLAMP. at an angle of approximately 90 degrees to the direction of the guywire. The guy rope should be fastened to the pole by passing it twicearound and clamping it by means of a malleable iron guy which one is shown in Fig. 569. In order to protect the pole and to keep the guy wire from slippingdown the pole, guy wire hooks are used such as are shown in 794 AMERICAN TELEPHONE PRACTICE. Several good forms of guy wire clamps are on the market. Thesehave from one to three clamping bolts according to the strain to. FIG. 572.—CINCINNATI CLAMP. be borne. The single bolt clamp shown in Fig. 569 is known as theCrosby clamp. The Hallett clamp is shown in Fig. 571; the
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