Longer distance, larger cars and increased tonnage are demanding larger locomotives; average of 682 loaded cars, hauled to surface each day with 90-hp. commutator-pole mine-type locomotives.
Large locomotive used for main haulage
Modern Min
Coal Mining ; 5 , n 4
1928
2 pages
1 Fig.
Article (Journal)
English
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Underground locomotive haulage
Tema Archive | 1991
|Engineering Index Backfile | 1945
|Underground locomotive haulage
Engineering Index Backfile | 1930
|Underground locomotive haulage
Tema Archive | 1991
Haulage performances of locomotive
Engineering Index Backfile | 1939
|