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 456
rake shoes wear. Q. Describe its construction and operation? A. Referring to Figs. 296 and 297, the brake-cylinder pistonacts as a valve to control admission and release of brake-cylin-der pressure to and from pipe b through port a, which ituncovers when there is excessive travel, thus letting… … < M o f—«0} 3*} 446 LOCOMOTIVE CATECHISM.
Locomotives
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