Economic value of spring switches proven by (1) elimination of train stops; (2) elimination of operators; savings made by installation of interlocking plant at track crossings; by installation of automatic block signals to replace manual block signals; replacement of oil lamps by electricity; dispatcher-controlled signal installation. Report before Am. Ry. Eng. Assn. (See also Am. Ry. Assn. -- Signal Section Proc vol. 26, no. 3, Feb. 1929 pp. 623-638, 3 figs)


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    Titel :

    Economics of railway signaling


    Weitere Titelangaben:

    Ry. Age (Daily Edition)


    Erschienen in:

    Railway Age -- Daily Edition ; 86 , n 9A ; p D10-D14


    Erscheinungsdatum :

    1929


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Economics of railway signaling

    Engineering Index Backfile | 1930


    Economics of railway signaling

    Engineering Index Backfile | 1929


    Economics of railway signaling

    Engineering Index Backfile | 1930


    Economics of railway signaling

    Engineering Index Backfile | 1929


    Economics of railway signaling

    Engineering Index Backfile | 1930