Boston elevated railway reconstructs track on base 18 years old; new type of construction; track is constructed of 7 1/4-in. T rail with beveled ends, and joints are seamwelded.
Tracks. Track reconstruction on old base
Elec. Traction
Electric Traction ; 24 , n 7
1928
2 pages
6 Figs.
Article (Journal)
English
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