Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 458
a. This willcause the bell at station i to ring. Similarly any of the other sta-tions may be called up. In order to prevent undue complication of the ringing keys, and tobring about the further advantage of having a party line handled, sofar as the operator is concerned, in exactly the same manner… … FIG. 8X5.-HIBBARD PARTY LINE SYSTEM.436 PARTY LINE SYSTEMS. 437 scriber on the party line; thus, on a four-party line four jacks wouldbe used for each line, instead of one, as in the original Hibbard sys-tem. The arrangement of the subscribers apparatus with respect to theline is the same in all…
Telephone
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