Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
abutment added affected amount angles apply becomes belongs borne braces BRIDGES centre changed Cloth compression consequently considered constant constant load containing counterbraces depth determined distance divided double truss edition end panel Engineer equal equation example feet following table form the following full load given gives greater greatest half Hence horizontal chord horizontal component horizontal strain Illustrated inclined braces length less lower chord maximum measured ment moving load multiplied number of panels obtain opposite panel end panel load panel points passing pillar points of Simple practical proportion rafter reaction represent right abutment segment shown side Simple Truss sion Strains in Tons STRENGTH struts Substituting the values tension tion uniform unloaded abutment upper chord Values vertical component vertical strain weight whence
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 31 - The Geology of Pennsylvania. A Government Survey, with a General View of the Geology of the United States, essays on the Coal Formation and its Fossils, and a description of the Coal Fields of North America and Great Britain. Illustrated with plates and engravings in the text. 3 vols. 4to, cloth, with portfolio of maps i5 oo ROSE (JOSHUA, ME ) The Pattern-makers
Página 6 - 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 11 - 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 39 - ALEXANDER (JH). Universal Dictionary of Weights and Measures, Ancient and Modern, reduced to the Standards of the United States of America.
Página 24 - TELFORD'S Rules for the same. By FREDERICK W. SIMMS, FGS, M. Inst. CE Sixth Edition, very carefully revised, with the addition of Mr. LAW'S Practical Examples for Setting out Railway Curves, and Mr. TRAUTWINE'S Field Practice of Laying out Circular Curves. With 7 Plates and numerous Woodcuts. 8vo, &r.
Página 24 - One of the most important text-books- for the general surveyor, and there is scarcely a question connected with levelling for which a solution would be sought but that would be satisfactorily answered by consulting the volume.
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 26 - Mechanical Drawing. A Text-book of Geometrical Drawing for the use of Mechanics and Schools, in w.hich 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...