Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 194
lane surfaces can be made in practice,and that when the two surfaces are true and of homogeneousmaterial the sliding of the valve upon its seat tends to wearthe contact always closer and diminish leakage. It is thispractical consideration which has had much to do with theabundant distribution of… … Fig. 124. Fig. 125. developed upon a plane in the ordinary form in which it isused in practice, that there is present the inlet from the boilercoming in to the top of the box which will be called the valve-chest in which the valve moves. Passing outward from belowin the middle of the developed…
Mechanical engineering · Steam power plants
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