Electric, electro-mechanical and mechanical interlocking; centralized traffic control system and machine; rail locking devices used on interlocked drawbridges; protection of drawbridges.


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    Title :

    Committee II -- Interlocking


    Additional title:

    Assn Am Railroads -- Proc (Signal Sec)


    Conference:

    Association of American Railroads -- Meeting ; 1937 Interlocking



    Publication date :

    1937


    Size :

    6 pages


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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