Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 291
nstallation, repair and removalof cable sections. The manholes are constructed of brickor concrete, in sizes of 3 ft. by 3 ft. and upwards, depend-ing on the number of cables to be accommodated. Fig. 9 276 TELEGRAPH ENGINEERING shows a section of an oval manhole whose inside dimen-sions are 7 ft.… … Fig. 9. Cahle Splices. — Aerial and underground cables are al-most invariably spliced near poles or in manholes respec-tively. The method of making splices ifi multi-conductorpaper-insulated cables is indicated in Fig. 10. Two cablesto be spliced are placed in position so that their…
Telegraph
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