With proper equipment, longer transportation should be cheaper than former short haul; costs must be reckoned in ton-miles; track construction, maintenance, size and type of rolling stock, and volume are factors determining cost; discussion of suitable types of electric locomotives.
Some economies in longer underground haulage
Min. Congress Jl
Mining Congress Journal ; 15 , n 9
1929
5 pages
11 Figs.
Aufsatz (Zeitschrift)
Englisch
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Underground locomotive haulage
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Engineering Index Backfile | 1930
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