Deals with traffic conditions, road bed, rails, switches and frogs, track maintenance, and tracks for new subways. (8000 w.) (No. 56553 A) (Also discussion)
Distinctive features of track equipment of the New York subways
Pro N Y R R Club
1914
Ills.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1931
Track materials specially designed for New York City subways
Engineering Index Backfile | 1929
|Two major New York subways get double-track connections
Engineering Index Backfile | 1953
|Engineering Index Backfile | 1947
|New antivibration track system for subways
British Library Conference Proceedings | 2003
|