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 367
j 85.3 Fig. 237. Theoretical Diagram. … Fig. 238. Indicator Diagram. INDICATOR. 361 straight horizontal line. Under constant pressure in the cylin-der the pencil would draw a straight line, the hight of whichfrom the first line would represent the pressure. Under con-stant pressure during the entire out stroke and constant backpressure…
Locomotives
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