Manual for railroad engineers and engineering students : containing the rules and tables needed for the location, construction, and equipment of railroads as built in the United States (1883)
Vose, George L. (George Leonard), 1831-1910 · Boston : Lee and Shepard · leaf 318
Fig. 122. 123, may be employed. The centres used at the Bletchingly Tun-nel, on the railway from London to Dover, England, are shown in CENTRES. 293 … Fig. 123.
Railroad engineering
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