New units have proved so economical in operation that fare reduction has been effected; departure from more recent trend in rail-motor-car design has been use of steam-propelled unit.
Steam motor cars for a Porto Rican railroad
Ry. Age
Railway Age ; 78 , n 16
1925
2 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1926
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