Faster schedules with rewound motors on 382 Pittsburgh Railways cars have saved in operating and maintenance costs; charts indicating improvement made in performance and maintenance cost during past 15 yr.
Speed up [midline ellipsis] costs down
Transit J
Transit Journal ; 82 , n 8 ; p 268-269 + 299
1938
Aufsatz (Zeitschrift)
Englisch
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Speed up [midline ellipsis] costs down
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