The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 421
e same time contracts in diameter,causing it to firmly grip the cable. If the cable is a small one it may be drawn through bymen without any mechanism, but if large it is necessary toprovide a winch, such as shown in Figs. 392 and 393, which 392 PRACTICAL TELEPHONE HANDBOOK also show an arrangement… … Fig. 392.—Winch and Cable Gtiide, Side View (Scale manhole without employing joists, a large York stone beingemployed instead. The cable is supplied on large wooden drums, which arefitted on axles, so that they may revolve as the cable is drawnoff. As the cable passes into the duct it is covered…
Telephone
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