Derrick used to set completely assembled 150-ft. trusses on California State Highway project; specifications required that continual operation of both railroad and county road be permitted; derrick was of structural-steel type with 46-ft. mast and 90-ft. boom with legs 50 ft. long.


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    Title :

    Stiff-leg derrick places 150-ft. Trusses for highway bridge


    Additional title:

    Eng. News-Rec


    Contributors:

    Published in:

    Publication date :

    1931


    Remarks:

    1 Fig.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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