. Handbook of railroad construction; for the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States .. . Ficr. T^. Let A D be the profile (made with the ked) of the line A D on plan, fig. 15. B E that ofB E, and C F that of C F. To form the plan from theprofiles proceed as follows: — Intersect each of the pro-files by the horizontal planesa a, bb, c c, d f/, equidistantvertically. In the profile A D,fig. 18, drop a vertical on to. Ii-. 17.

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Keywords: ., bookcentury1800, bookdecade1850, booksubjectrailroadsdesignandco