. 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 .. . 32. In the case of parallel valleys running in the same RECONNOITRE. 15 Fig. 7. direction, the form will be as in fig 7. Let 1 2, 1 2, etc.,represent a da-tum level, ora horizontalplane passingthroufljh thelowest line a h,shows t li eheight of the bottom at B; cd that at D, ef that at E, and g-h that atC. The broken lines i, k, /, m, «, show the general for
. 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 .. . 32. In the case of parallel valleys running in the same RECONNOITRE. 15 Fig. 7. direction, the form will be as in fig 7. Let 1 2, 1 2, etc.,represent a da-tum level, ora horizontalplane passingthroufljh thelowest line a h,shows t li eheight of the bottom at B; cd that at D, ef that at E, and g-h that atC. The broken lines i, k, /, m, «, show the general form ofthe land. Now by the route m m m m, from A to F, wehave the profile m m m m, fig. 8, by n n n «, the profile Fig.
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectrailroadsdesignandco
