Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 46
r fall or inclination was 1 in 20; and where the upper endhappened to be below the surface of the ground, generally the case at side-hills, a well was constructed,Figs. 76 and 79. The culvert, Figs. 79, 80, arid 81, is one of the smallest dimensions, with bottom androof of stone slabs; that of… … Be alb.—1 Inch=40 feet. 42 AQUEDUCT, CROTON. In the body of the foundation-wall of the aqueduct, an arch of dry stone without mortar was rolled overthe extrados of culvert, Fig. 78; after this the foundation carried further up. The fall-well at thearched culverts is round in plan, Fig. 77. The…
Mechanical engineering
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