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 96
trouble? A. Those in the fire-box. 0. Why not use tubes of a larger diameter? A. Because it is best to divide the combustion-gases intosmall streams, each of which has its outer surface next a sur-face of metal, on the other side of which there is water to beheated. If the tubes were four inches in… … Fig. 74. Cross Section, Pennsylvania R. R. Boiler, Class O. Q. Why not have tubes only one inch in diameter, and givestill more heating-surface? A. Because there would be too great liability of clogging up,and also too much friction between the gases and the tube-surface. Q. What is the…
Locomotives
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