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 320
Fig. 196. One Eccentric, Lap-less Valve, with rocker. … Fig. 197. Two Eccentrics, LaplessValve, with rocker. A. Each should be 900 back of the crank pin (in the op-posite direction from that which it is required to run theengine). (See Fig. 197, in which the forward eccentric ismarked F.) Q. Where there is a rocker arm and a lapped valve, withone…
Locomotives
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