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Show TUN MAY TALK OVER PAIR OF PHONE WIRES: By Aasoclated Pri. j KONIXN. I'c. 13 - r.Mmati-r , ,.im n mwup I'lii'iu ii i ; from Th.f.lor N. Vail. prtaWient 'f the Anrrlran Tleihin and Tele-frrap Tele-frrap coni.'ny. unnounrlnn the Invention Inven-tion and development by the terhnlrat tuff f the Hell yetem 'f "m prtnii-rnl prtnii-rnl Byntefn t multiplex telephony and tfleKraphy y the me of which It la now pKfliMe to Increase manyfnM tri menftajr curry inn cnpat ltv of lung . telephone and trleprRph wlren" I "With thla new ayatem." laM Mr. Vall'a lei ter, "four telephone eonver- t aatlona over ona pair f wire are aim -ulianeoiisly carried on. In addition to j tha telephone conversation provided by j the ordinary method. Thua. over h, iDirle pair of wire a total of five i telephone cnnvernat lona are almul-j taneoimly operated, each alvtna; arv- ire aa ifood aa that provided by tne ; circuit workliiR In the ordinary way."! |