Track-laying work of Penn-Ohio System carried on while cars move without delay or halt in service; cross-section of track construction employed. (See also Traction Shop and Roadway vol. 3, no. 8, Aug. 1930 pp. 234-235, 2 figs)
Constructing track under traffic
Elec. Traction
Electric Traction ; 26 , n 8
1930
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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