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 46
Fisr. ii. Suppose that we wish to show, upon a plan, the relief of a hillof which we have the profiles given by the irregular lines in thesections A B, C D and E F, Fig. n. Intersect each of these … Fisr. 12. profiles by the equidistant horizontal lines shown in the figures.Upon the profile A B, drop a vertical from each of the intersec- 22 MANUAL FOR RAILROAD ENGINEERS. tions of the surface line with the horizontals, and upon the lineA B, on the plan Fig. 12, make A 1, A 2, A 3, A 4, and so…
Railroad engineering
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