Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 231
d ends of the flexible cords terminate, and to which the cordcircuit wiring extends. The cord weights which serve to keep thecords taut may be seen at the bottom of this view, and just abovethem the connecting rack to which all the circuits of the drops andjacks are led, the connections being made… … FIG. in:.-.=;T.\.\DAKD TYPE OF SWITCH-BOARD-REAR VtEW. the outside lines. A more common practice now is to extend thepairs of wires leading from the drops and jacks in a cable perhaps 210 AMERICAX TELEPHONE PRACTICE. lo feet long, in which case the connections with outside lines aremade at the…
Telephone
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