Abstract of a paper by O. C. Woolson, before the Philadelphia meeting of the American Society of Mechanical Engineers describing an elastic floor system which has been tried on the elevated roads of New York. Illustrated. (See also Trans. A. S. M. E., Vol. IX., (1888), pp. 276-285)
Railroad bed for bridge structures
RR Gaz
1887
Ills.
Article (Journal)
English
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