Coal is generally transported in cars privately owned by coal mining organizations; users' case for their retention is discussed; origin and inefficiency of private ownership; most promising solution is formation of pools among various coal mines. (See also Colliery Eng vol. 6, no. 67, Sept. 1929 pp. 364-365)
Colliery railway wagons
Gas Eng
Gas Engineering ; 46 , n 5
1929
3 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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