By W.F. Ellis, before the January meeting New England Railroad Club. Discusses and advocates the use of spring-rail frogs. Discusses safety switches and advocates the split or point switch.


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    Titel :

    Railroad track frogs and switches


    Weitere Titelangaben:

    Mast Mech


    Beteiligte:
    Ellis, W.F. (Autor:in)


    Erscheinungsdatum :

    1888


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Railroad track frogs and switches

    Ellis, W.F. | Engineering Index Backfile | 1891


    Railroad track frogs and switches

    Engineering Index Backfile | 1888


    Railroad track frogs and switches

    Ellis, W.F. | Engineering Index Backfile | 1891


    Railroad track frogs and switches

    Engineering Index Backfile | 1888


    Railroad track safety switches and frogs

    Richards, Geo. | Engineering Index Backfile | 1888