System used by one of largest English companies and which is said to be independent of "earth" connections and therefore not to any considerable extent affected by "earth" faults.


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    Title :

    A system of railway traffic control by telephone


    Additional title:

    Post Office Elec. Engrs. Jl


    Contributors:
    Lee, T.F. (author)


    Publication date :

    1919


    Size :

    11 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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    Carper, H.L. | Engineering Index Backfile | 1945


    The use of the telephone in the working of railway traffic

    Ireland, Thomas | Engineering Index Backfile | 1900


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    Kase, I. / Tsubaki, I. / Suzuki, Y. et al. | Tema Archive | 1982


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    Engineering Index Backfile | 1919


    Inner London automatic telephone system southern railway

    Thorrowgood, W.J. | Engineering Index Backfile | 1925