Equipment of International Standard Electric Co., in which by individual selection any station on same telephone line can call, directly, any other on that line, without controller; it is used on line Eskilstuna-Oxeloesund and has to cover demand for system not disturbed by power lines, electric railway, etc.; new types of apparatus have been introduced into system of which more detailed description is given.


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    Title :

    Intercall selector system on the Swedish state railway


    Additional title:

    Elec. Communication


    Contributors:
    Billing, I. (author)

    Published in:

    Publication date :

    1929


    Size :

    9 pages


    Remarks:

    8 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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