Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 236
rely disregards the angularity of the connecting-rod. With a single valve it is difficult to secure economy in the cut-off; it is usual inthe larger sizes of stationary engines to have steam and exhaust valves moved by separatemechanisms, and independent of each other, and to regulate the engine by… … Fig. 422. The exhaust valves at the bottom of the cylinder are connected positively with thewrist-plate w, vibrated by a hooked connection with an eccentric on the engine shaft.Connected with the wrist plate are two vibrating levers, R R, to the upper ends of which 220 MECHANICS. lever pawls, pp^…
Mechanical drawing
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