Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 389
Fig. 196. Fig. 197. movement of 90 degrees in each stroke, i.e., while Th is rising.We are at liberty to choose the position of these 90 degrees in asemi-revolution if the steam- and exhaust-valves are operated byindependent eccentrics. If, however, only one eccentric is used,the necessity of…
Steam-engines · Heat-engines
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