Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 222
xpansion is to usetwo slide-valves. These may work in the same valve-chestor in different valve-chests. When the two valves work inthe same valve-chest it is usual to have them operated byseparate eccentrics, and to divide the functions of distributionbetween them. The valve nearest the seat Avill… … Fig. 144. The second valve will be driven by its own eccentric, set at aconsiderable angular advance, and will have no exhaust func-tions. Its business will be solely to cut off admission ofsteam into the ports or passages through the main valvewhereby steam is admitted to the ports in the seat…
Mechanical engineering · Steam power plants
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