Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 206
valves use the same formula as above;then from the area derived subtract the area of oneside of the Allen port. THE PISTON VALVE FOR LOCOMOTIVES. The advantages gained by large ports and dimin-ished frictional resistance supposed to be co-relativewith the piston valve have been a subject of… … Fm 1.Piston Valve for Baldwin Four-Cylinder Compound Locomotives. pound locomotives, employing a double piston valve,as shown in Fig. 1, is undoubtedly accountable forthe much experimenting now going on and ttie manystyles—too numerous to mention—of piston valves inuse in a limited number of…
Locomotives
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