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 574
1482. … 564 ENGINE, VARIETIES OF THE STEAM. passage of tho piston. Immediately after the piston has passed, tho slider L descends again, and getssettled to its place by the time the piston arrives at the opening O; and tho instant the piston haspassed ant this opening, the steam valves are changed again;…
Mechanical engineering
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