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 600
Fig. 389. Fig. 390. rays may be directed in a practically parallel beam striking thetrack in an elliptical area some distance ahead of the engine. Q. What is the object of the headlight? A. To cast a strong beam of light straight ahead of theengine, so as (1) to permit the engineman to see…
Locomotives
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