Pennsylvania Railroad has completed application of all-relay type interlocking system, using centralized traffic control miniature lever type machine, for control of switches and signals in track layout of Delair, NJ, on Atlantic division, formerly operated by two mechanical and two electromechanical plants.


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    Title :

    Four interlockings combined


    Additional title:

    Ry Signaling


    Published in:

    Railway Signaling ; 31 , n 5 ; p 283-288


    Publication date :

    1938


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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