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 Ry. Age (Daily Edition), vol. 86, no. 9A, Mar. 5, 1929, pp. D10-D14)


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    Title :

    Economics of railway signaling


    Additional title:

    Am. Ry. Assn. -- Signal Section Proc



    Publication date :

    1929


    Size :

    16 pages


    Remarks:

    3 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    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