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adjustment application approximate point back sight back staff bench mark Bridge calculations centre line centre stake chain Civil Engineer clinometer Cloth column computed half width construction correct cross wires curvature curve cuttings and embankments datum line determined diagram difference of level direction distance Dover Castle Drawing earth edition engravings equal example feet Folkstone foot fore sight formula forward reading forward station give gradient ground Guns Gunter's chain horizontal line hypothenuse Hypsometry Illustrated inches inclination inclined plane instrument Iron J. P. Whitney John Macneill length line A B lines of railway mean height measured Merrimack River method metric system middle area miles object glass observation obtain parallax perpendicular placed point H practical quantity radius ratio reduced levels represent result right angles rise road side slope spirit-level Steam stones subtracted superelevation Survey surveyor Tables tangent telescope theodolite tion TREATISE Water yards
Página 29 - A TREATISE on the STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways and Agriculture. By J. BOURNE, CE Eighth Edition; with Portrait, 37 Plates, and 546 Woodcuts, it o. 42s. CATECHISM of the STEAM ENGINE, in its various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture.
Página 11 - 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 26 - ... 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 17 - Watt's Dictionary of Chemistry. Supplementary Volume. 8vo. Cloth. $9.00. This volume brings the Record of Chemical Discovery down to the end of the year 1869, including also several additions to, and corrections of, former results which have appeared in 1870 and 1871.
Página 6 - THE THEORY OF STRAINS IN GIRDERS —and Similar Structures— with Observations on the Application of Theory to Practice, and Tables of Strength and other Properties of Materials.
Página 31 - MORFIT. — A PRACTICAL TREATISE ON PURE FERTILIZERS, and the Chemical Conversion of Rock Guanos, Marlstones, Coprolites, and the Crude Phosphates of Lime and Alumina generally into various valuable Products. By Campbell Morfit, MD, FCS, formerly Professor of Applied Chemistry in the University of Maryland.
Página 39 - ALEXANDER (JH). Universal Dictionary of Weights and Measures, Ancient and Modern, reduced to the Standards of the United States of America.
Página 151 - The angles in the same segment of a circle are equal to one another.