Smash signals power-operated to clear position; no time element involved in emergency release; maintenance costs low; special operating conditions complicate design; no trunking in entire installation.


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    Title :

    Automatic interlocking installed by N. Y. C. at crossing with Monon at San Pierre, Ind


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1930


    Size :

    3 pages


    Remarks:

    7 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English