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 43
ches deep, with 2-inch treenails of white oak. These nails are sometimes putnearer together, and the ties likewise. The planking is of white pine. When the timber piers hadreached a certain height, the piers K K, of four compartments, were put down, two of which, the nearest tolow water, were… … AQUEDUCT, CROTON. 39 inches at the smaller end, and 6 feet apart from centre to centre; the treenails of the rqnared timber thesame. The uppermost of them are made of elm and white oak, treenailed every 3 feet, 30 inches deep,2i inches in diameter. The upper ties, Figs. 64 and 66, are of elm 12…
Mechanical engineering
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