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Knight's Mechanical Encyclopedia (ed. Knight) 8 0 Browse Search
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for which the old barrels would have been unsuited had they not already been exhausted. Under Russell's patent, 1824 (English), the tubes were first bent up by hand-hammers and swages, to bring the edges near together, and then they were welded b from its fellows, and is founded upon a rock. It is 230 feet high, and has a base 62 × 52 feet. It weighs 20,000 tons (English). Its exterior has 148,625 cubic feet of granite, filled in with 144,625 cubic feet of sandstone. 387 tons of cast-ironinches thick, the piston 20 inches in diameter, and a lift of 6 feet. The cylinder weighed 16 tons, the machine 40 tons (English, 2,240 pounds). See Fig. 2627, page 1156. Two smaller presses had rams 18 inches in diameter, and acted at one of the Tub′u-lar rail. A railway-rail having a continuous longitudinal opening which serves as A duct for water; Woodhouse English patent, 1803; or A steam-pipe to prevent the accretion of ice or snow upon the track; Grimes's English patent, 1