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Página 25 - 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 1050 - But such a personification of "force" is a remnant of barbaric thought, in no wise sanctioned by physical science. When astronomy speaks of two planets as attracting each other with a " force " which varies directly as their masses and inversely as the squares of their distances...
Página 23 - Railways and Machinery ; an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows. Illustrated with over 200 diagrams engraved on steel. Ninth thousand. With an appendix on the Theory and Application of Colors. 8vo, cloth. .$4.00 Geometrical Drawing. Abridged from the Octavo edition, for the use of schools.
Página 28 - Formula & Diagrams for Calculation of. A HANDY BOOK for the CALCULATION of STRAINS in GIRDERS and SIMILAR STRUCTURES, and their STRENGTH ; consisting of Formulae and Corresponding Diagrams, with numerous Details for Practical Application, &c. By WILLIAM HUMBER, AM.
Página 26 - THE BLOW-PIPE : A System of Instruction in its practical use being a graduated course of Analysis for the use of students, and all those engaged in the Examination of Metallic Combinations. Second edition, with an appendix and a copious index. By GEORGE W.
Página 23 - 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 Buildings and Machinery ; an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows. Illustrated with over 200 diagrams engraved on steel.
Página 28 - Illustrated, is. 6d. 82. THE POWER OF WATER, as applied to drive Flour Mills, and to give motion to Turbines, &c.
Página 28 - APPLICATION OF THE SLIDE VALVE and Link Motion to Stationary, Portable, Locomotive and Marine Engines, with new and simple methods for proportioning the parts. By WILLIAM S.
Página 1112 - ROEBLING (JA) Long and Short Span Railway Bridges. By John A. Roebling, CE Illustrated with large copperplate engravings of plans and views.
Página 667 - The expansive force caused by pouring water into a drain. Two bodies cannot occupy the same space at the same time. If the lower part of the drain be full, or its mouth closed by water in the sewer into which it empties, then the sudden pouring in of water will cause the confined gas to burst its way back through the trap.