Utilization of power interlocking machine for both or either direct wire or remote control; specifications for circuit controller for movable bridges, and spring switch mechanism; use of roller bearings on interlocked and spring switches; specifications for electric heaters for track switches.


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    Title :

    Committee II -- Interlocking


    Additional title:

    Assn Am Railroads -- Advance Reports (Signal Sec)



    Publication date :

    1947


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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