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 484
ter hours. The horizontal lines represent the sev-eral stations along the road, the vertical distances between thesebeing plotted by scale, according to the actual distances in miles.A common scale in practice for plotting such a diagram is oneinch per hour, horizontally, and eight miles to the… … of way stations being 8, the whole time consumed by stops, willbe 120 minutes, or 2 hours. From 3 P. M., on the lower horizon-tal line, go back 2 hours, or to 1 P. M ; and from 6 A. M., on theupper line, draw a line, which produced would hit 1 P. M. on thelower line. This diagonal reaches the line…
Railroad engineering
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