Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 47
nches deep, with 2-mch 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… … BoALc—One inch—20 feot. One lncb->8 teet. AQUEDUCT, CROTON 39 inches at the sjpialler end, und 6 feet apart from centre to centre; the treenails of the rquared timber thagame. The uppermost of them arc made of elm and -wliite oak, treenailed every 3 feet, 80 inchesdeep,2^ inches in diameter. The…
Mechanical engineering
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