Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 256
are the most usual. VAL VE-GEARING. 201 105. Valves taking Steam Internally.—Closely resem-bling the piston-valve and pressure-plate modifications of itis the third type of balanced valves. In these provision ismade to have the upward pressure exerted by the steam upon the area made justenough less…
Mechanical engineering · Steam power plants
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