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alloy ammonia antimony Assay batteries Black Flux borax bottom calcining cam-shaft carbonate of soda charcoal charge chloride chloride of silver cloth color concentrated Conoidal containing copper crucible cubic cupel cylinder diameter dilute dissolving earthen crucible employed Engineer Excelsior Grinder feet Ferrocyanide Filter filtrate furnace fused gangue gold and silver Grinder and Amalgamator grinding head heat horse-power hydrochloric acid lead litharge machine machinery mercury metallic mineral veins mortar muller nitric acid opening operation oxidizing flame Phosphate of Soda pipe plates portions potassa Potassium Potassium produces pounds Process.—1st produces a white pulp pulverized quartz quicksilver readily reducing flame residuum retort Reverberatory reverberatory furnace roasted rock separated shaft slags smelting SODIUM AMALGAM soluble solution square inch stamps steam sulphide sulphuric acid surface Table tappet tellurium temperature thick tion Tractory tubs tunnel velocity wash weigh the button weight white precipitate zinc
189 ページ - QC A New, Revised, and considerably Enlarged Edition (the 6th), with very numerous Illustrations. 4s. 6d. cloth limp; 5s. 6d. cloth boards, gilt. 82. THE POWER OF WATER, as applied to drive Flour Mills, and to give motion to Turbines and other Hydrostatic Engines.
180 ページ - New method of correcting Lunar Distances, and improved method of finding the error and rate of a chronometer, by equal altitudes, 8vu, cloth 2 oo CHURCH (JOHN A.) Notes of a Metallurgical Journey in Europe.
187 ページ - WHITNEY (JP) Colorado, in the United States of America. Schedule of Ores contributed by sundry persons to the Paris Universal Exposition of 1867, with some Information about the Region and its Resources. By JP WHITNEY, of Boston, Commissioner from the Territory.
183 ページ - 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.
183 ページ - 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. 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.
182 ページ - Railway Practice American and European Railway Practice in the economical Generation of Steam, including the Materials and Construction of Coal-burning Boilers, Combustion, the Variable Blast...
156 ページ - ... full, is equal to that which a heavy body would acquire, by falling from the level of the surface to the level of the orifice.
39 ページ - ... of an inch and return. Hence, if a stone be dropped in between the convergent faces of the jaws, it will be broken by the next succeeding bite; the resulting fragments will then fall lower down and be broken again, and so on until they are made small enough to pass out at the bottom. The...
93 ページ - Platinum withreagents. (Solution of Bichloride of Platinum may be used.) Potassa produces a yellow crystalline precipitate, consisting of the double chloride of platinum and potassium (K Cl,PtCl2) ; the addition of hydrochloric acid favours its formation ; it is insoluble in acids, but dissolves with the aid of heat in potassa ; it is very slightly soluble in water, and insoluble in strong alcohol. Ammonia produces a yellow crystalline precipitate, the double chloride of platinum...