Difficulties experienced by Pennsylvania Railroad in lowering floor of 3800-ft Virginia Avenue Tunnel at Washington, DC, from 236 to 54 in. to provide enlarged clearances required by electrification.


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    Title :

    Lowering tunnel floor under traffic


    Additional title:

    Ry Eng Maintenance


    Published in:

    Publication date :

    1936


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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