he valve is turned through a quadrant at each stroke of thepiston ; and i is the other position of the lever. The steam, inthe position of the valve that is represented on the drawing,flows from the pipe c through the passage e into the lower partof the side pipe b, and thence enters beneath the… … For this, in almost all high pressure engines, has been substi-tuted a short slide valve, which has been found by experienceto be more advantageous. This valve is worked by an Eccen-tric placed upon the axis of the crank; a convenient mode ofdoing this is represented upon PL IV. at Fig. 3, where, A…
Steam-engines
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