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 430
s yy and 79. As the pistonyy is larger than 79, the action is to force the two to the rightas shown in Fig. 280, thus letting steam under the main piston65 through the port b to the passages b1 and b2, forcing themain piston upward. The steam that has forced the mainpiston downwards is exhausted to… … Fig. 280. Nine and One-Half-Inch Air Pump. 424 LOCOMOTIVE CATECHISM.
Locomotives
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