Outstanding features of modern construction of interlocking plant; track and signaling plan of new mechanical plant; signals and track circuits.


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    Title :

    Northern pacific installs mechanical interlocker at Tacoma, Wash


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1930


    Size :

    2 pages


    Remarks:

    5 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English