The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 385
d back at 11 instead of 13inches. Terminating with Copper Wire.—The middle of a binder ofNo. 18 wire 34 inches long must first be passed round the bottom groove, andtwisted together for oneor two turns close to theinsulator, leaving thetwo ends to form adouble binder. The endof the line wire is… … Fig. 355.—Double Terminating of40-lb. Bronze Wire AERIAL LINE CONSTRUCTION 357 then be tightly and closely wrapped round the two for adistance of 2 inches, the end (or nib) of the line wire beingturned outward, and the binder continued for five or six turnsalong the main wire. The end of the line…
Telephone
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