The Cyanide Process of Gold Extraction: A Text-book for the Use of Mining Students, Metallurgists and Cyanide OperatorsC. Griffin, 1904 - 193 Seiten |
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agitation alkaline allowed amalgamation amount assay bottom bullion carbonate cent charge CHARLES GRIFFIN concentrates consumption of cyanide containing copper copper-plates cost Crown 8vo crucible crushed cupel cyanide plant cyanide process cyanide solution cyanide treatment decantation deep diameter dilute discharge dissolved drained dry-crushed dwts Electrical Engineer excess EXETER STREET ferrocyanide filled filter filter-press furnace grams Illustrations iron iron pyrites Kalgoorlie launder leaching vats lead lime litharge mercury metal metallurgist method mill Mining obtained oxide oxygen passed percolation pipe Plates potassium cyanide potassium ferrocyanide practice precipitation boxes PROF proportion pulp pumped pyrites quantity roasting salt sands and slimes silver nitrate slag slimes smelting soda soluble solution of cyanide strength strong solution sulphate sulphide sulphuric acid tailings tank tion tons per day treated Waihi Waikino wash weak cyanide weak solution Western Australia wet-crushing Zealand zinc boxes
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Seite 33 - TRAVERSE TABLES: Computed to Four Places of Decimals for every Minute of Angle up to 100 of Distance. For the Use of Surveyors and Engineers. BY RICHARD LLOYD GURDEN, Authorised Surveyor for the Governments of New South Wales and Victoria, *»* Published with the Concurrence oj the Surveyors- General for New South Wales and Victoria. "Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book.
Seite 19 - SKETCHES OF BRITISH BIRDS IN THEIR HAUNTS. BY CHARLES DIXON. The Spacious Air. — The Open Fields and Downs. — In the Hedgerows.— On Open ; Heath and Moor. — On the Mountains. — Amongst the Evergreens. — Copse and Woodland. — By Stream and Pool. — The Sandy Wastes and Mudflats.— Sea-laved Rocks.— Birds of the Cities.— INDEX. "Enriched with excellent illustrations. A welcome addition to all libraries.
Seite 32 - Lubrication & Lubricants: A TREATISE ON THE THEORY AND PRACTICE OF LUBRICATION AND ON THE NATURE, PROPERTIES, AND TESTING OF LUBRICANTS. BY LEONARD ARCHBUTT, FIO, FOS, Chemist to the Midland Railway Company, AND R.
Seite 41 - Navigation, Theoretical and Practical." With numerous Plates, Maps, Diagrams, and Illustrations, and a facsimile Reproduction of a Page from an actual Meteorological Log-Book.
Seite 40 - Examinations — Rise and Progress of Steam Propulsion — Development of Free Trade— Shipping Legislation, 1862 to 1875— " Locksley Hall" CaseShipmasters' Societies — Loading of Ships — Shipping Legislation, 1884 to 1894 — Statistics of Shipping.
Seite 28 - GENERAL CONTENTS. — Classification of Different Types of Boilers. — 425 Experiments on English and Foreign Boilers with their Heat Efficiencies shown in Fifty Tables. — Fire Grates of Various Types. — Mechanical Stokers.— Combustion of Fuel in Boilers. — Transmission of Heat through Boiier Plates, and their Temperature.
Seite 42 - Notwithstanding my many years' experience at sea, it has told me how much more there is to acquire." — (Letter to the Publishers from a Master Mariner). " I must express my thanks to you for the labour and care you have taken in 'PRACTICAL MECHANICS.' . . . IT is A LIFE'S EXPERIENCE. . . . What an amount we frequently see wasted by rigging purchases without reason and accidents to spars, &c., &c. ! 'PRACTICAL MECHANICS
Seite 42 - 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 is hoped that to the younger Officers of our Mercantile Marine they will be found decidedly serviceable.
Seite 33 - INTRODUCTION. — Tool Grinding. — Emery Wheels. — Mounting Emery Wheels. — Emery Rings and Cylinders. — Conditions to Ensure Efficient Working. — Leading Types of Machines. — Concave and Convex Grinding. — Cup and Cone Machines. — Multiple Grinding. — ' ' Guest " Universal and Cutter Grinding Machines.
Seite 42 - EDITION, Revised and Corrected. ' ,* Mr. Buck's Text-Book has been SPECIALLY PREPARED with a view to the New Examinations of the Board of Trade, in which Trigonometry is an obligatory subject.