Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 708
cable run leading from theend of the intermediate distributing frame, by means of which a partof the intermediate to answering jack cables are taken to the switch-board, all answering jack cables, from the ist to the 17th section,being fed through the main cable run at the other end of the… … FIG. 499.—BATTERY ROOM—LOS ANGELES OFFICE. a cable run leading from the power switch-board and fuse-board tothe floor above and through this run is fed all power and batterywires to the switchboard. In Fig. 498 is given a general view of the power plant. All wir-ing between the machines and the…
Telephone
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