Grading rules and classification of timber and lumber for railway uses; commercial names for lumber and timber cut from principal species of softwoods; standard lumber abbreviations; American lumber standards for softwood lumber; structural grades of lumber and timber and method of their derivation; specifications for structural joist, plank, beams, stringers and posts; coded specifications for structural grades; tables of working stresses; safe loads for wooden columns.


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    Title :

    Committee VII -- Wooden bridges and trestles


    Additional title:

    Am. Ry. Eng. Assn. -- Bul



    Publication date :

    1926


    Size :

    75 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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