Substitution of 2-speed air locomotive and 3-ton automatic dump car for hand tramming methods at Copper Mountain mine of Granby Consolidated, British Columbia, resulted in labor savings of 26%; data on estimated drifting cycle; performance of air locomotive.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Granby adopts air trammers -- Cuts drifting labor costs 26%


    Additional title:

    Eng Min J


    Contributors:

    Published in:

    Publication date :

    1953


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Monorail hoisting equipment cuts labor costs

    Huttl, J.B. | Engineering Index Backfile | 1930


    Methods of mining the Granby orebodies

    Campbell, C.M. | Engineering Index Backfile | 1909


    New granby type mine cars for Canada

    Engineering Index Backfile | 1955


    Confrontation cuts Costs

    Hartley, J. / Mortimer, J. | Tema Archive | 1973


    Design Cuts Bridge Costs

    British Library Online Contents | 1997