The Metallurgy of GoldC. Griffin, limited, 1898 - 528 Seiten |
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action added alloy amalgam amount antimony assay auriferous barrel base metals belt boiling borax bottom boxes bromine bullion California carbonate cent charge chlorine coarse concentrates consists containing copper copper plates cost crucible crushing cupel cylinder decomposed deposits dilute discharge dissolved dwts extraction feet long ferrous sulphate filter formed furnace gold and silver gravel heat hydrochloric acid iron Journ leaching lead less liquid litharge machine melted mercury method mills minerals Mining minute mortar muffle nitric acid obtained operation oxide oxidised particles of gold passed percentage pipe placed potassium cyanide precipitated present pulp pyrites quartz reduced removed reverberatory furnace revolutions per minute revolving riffles roasting Royal Mint salt sand screens slag slimes sluice soda soluble solution stream sulphides sulphuric acid surface tailings tank temperature thick tion tons treated treatment usually volatilisation washed weight wooden zinc
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Seite 21 - EVERY SHIP should have the WHOLE SERIES as a REFERENCE LIBRARY. HANDSOMELY BOUND, CLEARLY PRINTED and ILLUSTRATED."— Liverpool Journ. of Commerce. The British Mercantile Marine : An Historical Sketch of its Rise and Development. By the EDITOR, CAPT.
Seite 41 - The Micro-Structure of Metals and Alloys. — Economic Considerations. " No English text-book at all approaches this in the COMPLETENESS with which the most modern views on the subject are dealt with. Professor Austen's volume will be INVALUABLE, not only to the student, but also to those whose knowledge of the art is far advanced.
Seite 26 - A POCKET-BOOK of ELECTRICAL RULES and TABLES For the Use of Electricians and Engineers. By JOHN MUNRO, CE, and Prof.
Seite 31 - NYSTROM'S POCKET-BOOK OF MECHANICS AND ENGINEERING. Revised and Corrected by W. DENNIS MARKS, Ph.B., CE (YALE SSS), Whitney Professor of Dynamical Engineering, University of Pennsylvania. Pocket Size. Leather, 155.
Seite 29 - I. — ALKALIES AND ALKALINE EARTH METALS : Magnesium, Lithium, Beryllium, Sodium, Potassium, Calcium, Strontium, Barium, the Carbides of the Alkaline Earth Metals. PART II. — THE EARTH METALS: Aluminium, Cerium, Lanthanum, Didymium. PART III. — THE HEAVY METALS: Copper, Silver, Gold, Zinc and Cadmium, Mercury, Tin, Lead, Bismuth, Antimony, Chromium, Molybdenum, Tungsten, Uranium, Manganese, Iron, Nickel, and Cobalt, the Platinum Group. " COMPREHENSIVE and AUTHORITATIVE ... not only FULL of VALUABLE...
Seite 43 - Adapted for all who are interested in the Gold Mining Industry, being free from technicalities as far as possible, but is more particularly of value to those engaged in the Industry."— Cape Timet.
Seite 45 - A MANUAL OF MARINE ENGINEERING: COMPRISING THE DESIGNING, CONSTRUCTION, AND WORKING OF MARINE MACHINERY.
Seite 6 - All but the simplest explanations have, therefore, been avoided, and ANSWERS to the Exercises are given. Any person may readily, by careful study, become master of their contents, and thus lay the foundation for a further mathematical course, if desired. It...
Seite 30 - CONTENTS. — Resolution and Composition of Forces — Work done by Machines and Living Agents — The Mechanical Powers: The Lever; Derricks as Bent Levers — The Wheel and Axle : Windlass ; Ship's Capstan ; Crab Winch— Tackles : the "Old Man"— The Inclined Plane; the Screw— The Centre of Gravity of a Ship and Cargo — Relative Strength of Rope : Steel Wire, Manilla, Hemp, Coir — Derricks and Shears— Calculation of the Cross-breaking Strain of Fir Spar — Centre of Effort of Sails —...
Seite 54 - HANDBOOK in all our great SCIENTIFIC CENTRES, MUSEUMS, and LIBRARIES throughout the Kingdom, and has become an INDISPENSABLE BOOK OF REFERENCE to every one engaged in Scientific Work.