Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 538
e mounted in banks of 100, the multiple cable is formedof 102 pairs of wires, a separate cable thus feeding each bank of100 jacks. The answering jacks in nearly all systems are the same as themultiple jacks in individual construction, but they are frequentlymounted in strips of 10 instead of 20,… … FIG. 363.-NORTH ELECTRIC COMPANYS LAMP JACK. in Fig. 245. This particular strip is one of 20 jacks as formerlymanufactured by the Kellogg Company, a strip being formed of asingle piece of hard rubber, milled and drilled as shown. The mainportion of this strip is slotted from above and beneath for…
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