Comprehensive plan for improved switching of long-haul toll telephone traffic in United States and eastern Canada; methods of designing toll plant to give adequate transmission efficiency for all connections established in accordance with this plan; new method of providing amplification at intermediate switching points replacing cord-circuit repeater method. (see also Telephony, vol. 99, no. 14, Oct. 4, 1930, pp. 14-20, 10 figs. and Bell System Tech. Jl., vol. 9, no. 3, July 1930, pp. 429-447, 12 figs)


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    Titel :

    A general switching plan for telephone toll service


    Weitere Titelangaben:

    Am. Inst. Elec. Engrs. -- Jl


    Beteiligte:
    Osborne, H.S. (Autor:in)


    Erscheinungsdatum :

    1930


    Format / Umfang :

    5 pages


    Anmerkungen:

    6 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    A general switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1930


    A general switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1930


    Standard switching plan for telephone toll service

    Osborne, H.S. | Engineering Index Backfile | 1931



    General toll switching plan

    Osborne, H.S. | Engineering Index Backfile | 1934