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 389
on roller. Thenumber of spuds is twenty-eight, four on each section, or two for each tank. On the end sections themachinery consists merely of the longitudinal shaft, the thrusting and pumping geer. The process of taking a ship into the sectional floating-dock is as flollows:—The dock is sunk to… … DOCKING SHIPS. 381 vertical side-framing, rests on the keel blocks, and when supported on the sides by the chock-blocks andside-supports is ready for lifting. The valves which have previously admitted the water into the water-tanks are now closed, the wateris pumped out, and the air again fills the…
Mechanical engineering
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