Accelerated driving of drifts and adits in phosphate mine by means of complete integrated train for mucking out heading round; train includes 5 1/2 ton bottom dump cars, diesel locomotive, two drum, air operated slusher hoist, bucket and pull back supporting sheave block on end bracket of train; muck is transferred from lead cars back along entire length of train.


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    Titel :

    For faster tunnel driving -- Meet whup d'whup


    Weitere Titelangaben:

    Eng Min J


    Beteiligte:
    Wright, J.S. (Autor:in) / Pierce, R.V. (Autor:in)

    Erschienen in:

    Engineering and Mining Journal ; 157 , n 6 ; p 88-89


    Erscheinungsdatum :

    1956


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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