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 525
ve faces very rapidly; so that if the water be sandy and the engine addicted to priming, the pistonsand valves may be worn out and the cylinders require re-boring in the course of a few months. The valve-casing is sometimes cast on the cylinder: the face of the cylinder on which the valve worksis… … ENGINES, DETAILS OF. 515 or one-thirteenth of the area of the cylinder; and the eduction one-sixth to one-eighth of the area of thecylinder,—proportions which allow at mean speeds of twenty-five to thirty miles per hour, a pressurelittle different from that of the steam in the steam pipes : for…
Mechanical engineering
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