Relative merits of diesel and electric battery locomotives as well as use of shuttle cars in trackless mining; choice of electric or diesel power; use of hydraulic transmission; charging batteries; low haulage ways considered in designing underground transportation; progress of trackless mining.
Progress with underground locomotives
Min Mag
Mining Magazine ; 98 , n 4
1958
8 pages
Aufsatz (Zeitschrift)
Englisch
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