Ribs placed in halves by special crane with universal jaw; cost said to be less than usual methods of lining.


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    Title :

    Precast concrete units used for relining railroad tunnels


    Additional title:

    Eng. News-Rec.


    Published in:

    Publication date :

    1923


    Size :

    2 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :



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