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angle of inclination area of opening area of valve ball Beveled valve Brevet calculation center of gravity clear of seat cubic inches depth of seat diameter of valve divide draw edition Engineer equal evaporated per hour Example.—A experiment foot of grate forces act frustum fulcrum given lift given pressure given safety-valve grate surface horizontal distance Hypsometry i2mo Illustrated inches in diameter Iron lever arm lift less lifting clear lithographed Locked Multiply the square natural draft opening due opening in square ordinates orifice parallel forces perpendicular point of application pounds of water pounds per square practice pressure of steam proportion rules second spring single force slant height spring balance square feet square foot square inch square inches=area required Square of lift Square of sine stationary and marine steam in pounds steam pressure Subtract telegraphy tion Treatise U. S. Navy valve in square vertical line water evaporated Xcos
Página 102 - A Treatise on the Metallurgy of Iron : Containing Outlines of the History of Iron Manufacture, Methods of Assay, and Analysis of Iron Ores, Processes of Manufacture of Iron and Steel, etc., etc.
Página 105 - A Text-Book of Geometrical Drawing for the use of Mechanics and Schools, in which the Definitions and Rules of Geometry are familiarly explained; the Practical Problems are arranged from the most simple to the more complex, and in their description technicalities are avoided as much as possible. With illustrations for Drawing Plans, Sections, and Elevations of Railways and Machinery: an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows.
Página 101 - Lowell Hydraulic Experiments. Being a selection from experiments on Hydraulic Motors on the Flow of Water over Weirs, in Open Canals of uniform rectangular section, and through submerged Orifices and diverging Tubes. Made at Lowell, Mass.
Página 102 - ISHERWOOD, BF Engineering Precedents for Steam Machinery. Arranged in the most practical and useful manner for Engineers. With illustrations. Two volumes in one. 8vo, cloth $2.50 JAMIESON, A., CE A Text-book on Steam and Steamengines.
Página 104 - With 77 lithographed plates, i vol. folio, cloth. . . , 12 oo KING (WH) Lessons and Practical Notes on Steam, the Steam Engine, Propellers, etc., etc., for Young Marine Engineers, Students, and others. By the late WH King, US Navy. Revised by Chief Engineer JW King, US Navy. Twelfth edition, enlarged.
Página 108 - The THEORY of STRAINS in GIRDERS and similar Structures, with Observations on the application of Theory to Practice, and Tables of the Strength and other Properties of Materials.
Página 14 - The area of the valve in square inches, the weight of the valve, spindle and lever in pounds, the position of the center of gravity of the lever, and the distance from the center of the valve to the fulcrum, must be known, as in the first example.
Página 101 - ROEBLING (JA) Long and Short Span Railway Bridges. Illustrated with large copperplate engravings of plans and views.
Página 105 - Mechanical Drawing. A Textbook of Geometrical Drawing for the use of Mechanics and Schools, in which the Definitions and Rules of Geometry are familiarly explained ; the Practical Problems are arranged from the most simple to the more complex, and in their description technicalities are avoided as much as possible.