Renwick, James, 1790?-1863 · New York, G. & C. & H. Carvill · leaf 192
he valve is turned through a quadrant, at each stroke of thepiston; and i is the other position of the lever. The steamin the position of the valve that is represented on the draw-ing, flows from the pipe c through the passage e into thelower part of the side pipe b and thence enters beneath… … For this, in some recent American Engines, has beensubstituted a short slide valve, which has been found by ex-perience to be more advantageous. This valve is workedby an Eccentric placed upon the axis of the crank ; a con-venient mode of doing this is represented upon PI. IV. atFig. 3. where, A is…
Steam-engines
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