Standards which represent compilation and correlation of symbols used by engineering and signal divisions of various American railroads; symbols for various elements of plant, structures, fixtures and other equipment as well as for railroad maps and surveys. (75¢)


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    Titel :

    Graphical symbols for railroad use


    Weitere Titelangaben:

    Am Standards Assn -- Am Standard



    Erscheinungsdatum :

    1950


    Format / Umfang :

    18 pages


    Medientyp :

    Standard


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Recommended Graphical Symbols for Railroad Highway Grade Crossings

    Association of American Railroads / Communications and Signal Division | British Library Conference Proceedings | 1994



    Graphical symbols for telecommunications

    Engineering Index Backfile | 1948


    Graphical symbols for fire protection drawings

    Engineering Index Backfile | 1950


    Recommended Graphical Symbols for Circuit Appurtenance

    Association of American Railroads; Communication and Signal Division | British Library Conference Proceedings | 1995