Safety-valvesD. Van Nostrand Company, 1889 - 100 páginas |
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angle of inclination area of opening area of valve ball Bevel of 30 calculation center of gravity cloth Construction cosine cubic inches depth of seat diameter of valve divide draw Engineers engravings Example.-A experiment feet of grate forces act frustum fulcrum given lift given pressure given safety-valve grate surface horizontal distance Hypsometry illus less than depth lever arm lift is greater lift less lifting clear Locked Manual method morocco Multiply the square ordinates Paper covers perpendicular plates PLYMPTON point of application pounds of water pounds per square Practical Treatise pressure of steam Prof proportion Railway revised and enlarged rules safety Second edition second spring single force slant height spring balance square feet square inches Square of sine stationary and marine steam in pounds steam pressure Steam-Engine Subtract Tables Tangents tical tion valve in square vertical line VOUSSOIR water evaporated Yale College