The Cyanide Process for the Extraction of Gold and Its Practical Application on the Witwatersrand Gold Fields in South Africa

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Lockwood, 1895 - Cyanide process - 93 pages
 

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Page 28 - ... PRINCIPLES OF CARPENTRY. A Treatise on the Pressure and Equilibrium of Timber Framing, the Resistance of Timber, and the Construction of Floors, Arches, Bridges, Roofs, Uniting Iron and Stone with Timber, &c. To which is added an Essay on the Nature and Properties of Timber, &c., with Descriptions of the kinds of Wood used in Building ; also numerous Tables of the Scantlings of Timber for different purposes, the Specific Gravities of Materials, &c. By THOMAS TREDGOLD, CE With an Appendix of Specimens...
Page 29 - Practical Timber Merchant, THE PRACTICAL TIMBER MERCHANT. Being a Guide for the use of Building Contractors, Surveyors, Builders, &c., comprising useful Tables for all purposes connected with the Timber Trade, Marks of Wood, Essay on the Strength of Timber, Remarks on the Growth of Timber, &c. By W. RICHARDSON. Fcap. 8vo, 35. 6d. cloth. " This handy manual contains much valuable information for the use of timber merchants, builders, foresters, and all others connected with the growth, sale, and manufacture...
Page 10 - A TREATISE ON THE STRENGTH OF MATERIALS. With Rules for Application in Architecture, the Construction of Suspension Bridges. Railways, &c. By PETER BARLOW, FRS A new Edition, revised by his Sons, PW BARLOW, FRS, and WH BARLOW, FRS ; to which are added, Experiments by HODGKINSON, FAIRBAIRN, and KIRKALDY ; and Formulae for calculating Girders, &c.
Page 29 - Timber Merchant's Companion. THE TIMBER MERCHANT'S AND BUILDER'S COMPANION ; containing New and Copious Tables of the Reduced Weight and Measurement of Deals and Battens, of all sizes, from One to a Thousand Pieces, and the relative Price that each size bears per Lineal Foot to any given Price per Petersburg!!
Page 6 - With a History of Fire-Engines, their Construction, Use, and Management; Remarks on Fire-Proof Buildings, and the Preservation of Life from Fire ; Statistics of the Fire Appliances in English Towns; Foreign Fire Systems ; Hints on Fire Brigades, &c. &c. By CHARLES FT YOUNG, CE With numerous Illustrations, 544 pp., demy 8vo, £i 45. cloth. "To such of our readers as are interested in the subject of fires and fire apparatus, we can most heartily commend this book. It is really the only English work...
Page 11 - Illustrated, is. 6d. 72. MANUAL OF THE MOLLUSCA ; a Treatise on Recent and Fossil Shells. By Dr. SP WOODWARD, ALS Fourth Edition.
Page 33 - The perspicuity of the original has been retained, and chapters which had become obsolete, have been replaced by others of more modern character. The explanations throughout are studiously popular, and care has been taken to show the application of the various branches of physics to the industrial arts, and to the practical business of life.
Page 26 - STUDENT'S GUIDE to the PRACTICE of MEASURING, and VALUING ARTIFICERS' WORKS; containing Directions for taking Dimensions, Abstracting the same, and bringing the Quantities into Bill, with Tables of Constants, and copious Memoranda for the Valuation of Labour and Materials in the respective Trades of Bricklayer and Slater, Carpenter and Joiner, Painter and Glazier, Paperhanger, &c.
Page 31 - MEDIEVAL ; from the Eighth Century, with Numerals ; including Gothic, Church-Text, large and small, German, Italian, Arabesque, Initials for Illumination, Monograms, Crosses, &c. &c., for the use of Architectural and Engineering Draughtsmen, Missal Painters, Masons, Decorative Painters, Lithographers, Engravers, Carvers, &c. &c.
Page 45 - MULTUM-IN-PARVO GARDENING. Or, How to Make One Acre of Land produce £620 a year, by the Cultivation of Fruits and Vegetables ; also, How to Grow Flowers in Three Glass Houses, so as to realise ^176 per annum clear Profit. By SAMUEL WOOD, Author of " Good Gardening,

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