The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 542
hich all theother subscribers lineswould be multipled. For exchanges up to 1000subscribers it is necessary toadopt a different system,the lines being then dividedinto groups of 100, the linesof which are multipled onthe banks of about 10switches, now called con-nectors, forming, as it were,a… … douhue: do^ Fig. 474.—Vertical Lift andRelease Mechanism tipled in banks of 10 on each selector, giving 10 sets of 10junction lines to 10 groups of 100 subscribers. On the con-nectors the junction lines are connected to the mechanismand the wipers, as are the subscribers lines on the…
Telephone
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