Report of Committee 6 concerning following specifications of railroad signaling work: gray-iron castings, malleable-iron castings, wrought-iron bars; drawings to be made obsolete; new drawings; cooperative reports. (See also - no. 3 Feb. 1930, pp. 749-781)


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    Title :

    Designs


    Additional title:

    Am. Ry. Assn. -- Signal Section Proc



    Publication date :

    1930


    Size :

    8 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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