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 338
thesummer level was from 5 to 15 feet, the bed of the river being oflimestone, with large boulders on the surface. Dams, 188 feetlong and 90 feet wide, pointed on the up stream end, made withdouble sides, were floated out and sunk at the proper places, thehinder part being made so as to be removed,… … 20 feet all around the outside strong piles, sliding in grooves, wereprovided, and through the centre of some 10 or 12 of these pilesa 2 inch iron bar, with a tempered steel point, shaped for drilling,was put, which being drilled about 2 feet down, kept the feet ofthe piles in place. The section of…
Railroad engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
