Locomotive catechism; an up-to-date, practical and complete work on the locomotive--treating on the design, construction, repair and running of all kinds of locomotives .. (1908)
Grimshaw, Robert, 1850- [from old catalog] · New York, The N. W. Henley publishing company · leaf 255
Fig. 149. Piston Valve, Q. Sketch a hollow piston valve and show how the exhaustescapes? A. As in Fig. 149; the admission is between the valve ends,the exhaust at both chest ends. Q. What is one of the disadvantages of the piston valve asregards lubrication? … Vig. 150. Hollow Piston Valve, Vauclain Compound Locomotive, VALVE GEARS. 249 A. It is more difficult to ascertain if it is properly lubri-cated. Q. What is the valve of the Vauclain four-cylinder com-pound engine?
Locomotives
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