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 184
ise it one gage or more. Q. What is the cause of this? A. The pressure on the water-surface is diminished, andthe steam bubbles can expand more freely. Q. What is the Chambers throttle? THE THROTTLE. 177 A. As shown in Fig. 106, the two seats are separate,fitting together as shown and acting as a… … Fig. 106. The Chambers Throttle. Q. How may a throttle valve be thoroughly tested for tight-ness? A. By fastening it down, removing the relief-valve or thechest, connecting with steam heat hose there and putting onsteam. Q. Why not use water instead of steam? A. The steam expands the parts to…
Locomotives
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