Revisions of specifications for movable bridge interlocking, electric locks for interlocking machines, style "A" locking and S. and F. locking of mechanical interlocking machines, and electric switch locks; factors which govern in determining type of interlocking which should be installed; protection of traffic against slides and rock falls.


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    Title :

    Committee II -- Interlocking


    Additional title:

    Assn Am Railroads -- Advance Reports



    Publication date :

    1946


    Size :

    11 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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