Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 660
Fig. 488. BOILER … Fig. 489. as the lever is moved, or a partial motion of the lever opensthe waste, while a complete motion closes it. This improve-ment not only simplifies the operation of the injector butmakes it possible to locate it in places where it must be oper-ated by means of a rod (Figs. 488 and 489). 602…
Mechanical engineering · Steam power plants
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