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 317
Fisr. 121. stiffened by radial pieces, while the centre of the horizontal tiemay be supported from the ground beneath, when the locationadmits of such an arrangement. When there is no support ex-cept the abutments, the system of bracing, shown in Figs. 122 and … 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
Railroad engineering
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