NEW EDITION. With Illustrations and Plates. Handsome Cloth. 7s. 6d. THE CYANIDE PROCESS OF GOLD EXTRACTION. A Text-Book for the Use of Metallurgists and Students at BY JAMES PARK, F.G.S., M.INST. M.M., Late Director Thames School of Mines, and Geological Surveyor and Mining Geologist to the Government of New Zealand. SECOND ENGLISH EDITION. Thoroughly Revised and Greatly Enlarged from the First English Edition, and based upon the Third (1897) (New Zealand) Edition. With additional details concerning the Siemens-Halske and other recent processes. CONTENTS-The MacArthur Process.-Chemistry of the Process.-Laboratory Experiments.-Control Testing and Analysis of Solutions.Appliances for Cyanide Extraction.-The Actual Extraction by Cyanide. Application of the Process.-Leaching by Agitation.-Zinc Precipitation of Gold.-The Siemens-Halske Process.-Other Cyanide Processes.-Antidotes for Cyanide Poisoning.—Cyaniding in New Zealand. "Mr. Park's book deserves to be ranked as amongst the BEST OF EXISTING TREATISES ON THIS SUBJECT."-Mining Journal. SECOND EDITION. With Illustrations. Cloth, 38. 6d. GETTING GOLD: A GOLD-MINING HANDBOOK FOR PRACTICAL MEN. By J. C. F. JOHNSON, F.G.S., A.I.M.E., Life Member Australasian Mine-Managers' Association. GENERAL CONTENTS.-Introductory: Getting Gold-Gold Prospecting (Alluvial and General)-Lode or Reef Prospecting-The Genesiology of GoldAuriferous Lodes-Auriferous Drifts-Gold Extraction-Secondary Processes and Lixiviation-Calcination or "Roasting" of Ores-Motor Power and its Transmission-Company Formation and Operations-Rules of Thumb: Mining Appliances and Methods-Selected Data for Mining Men-Australasian Mining Regulations. 'PRACTICAL from beginning to end deals thoroughly with the Prospecting, Sinking, Crushing, and Extraction of gold."-Brit. Australasian. Pocket Size, Strongly bound in Leather. 38. 6d. THE MINING ENGINEERS' REPORT BOOK AND DIRECTORS' AND SHAREHOLDERS' GUIDE TO MINING REPORTS. BY EDWIN R. FIELD, M.INST. M.M. With Notes on the Valuation of Mining Property and Tabulating Reports, Useful Tables, &c., and provided with detachable blank pages for MS. Notes. "An ADMIRABLY compiled book which Mining Engineers and Managers will find EXTREMELY USEFUL."-Mining Journal. LONDON CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. a 60 CHARLES GRIFFIN & CO.'S PUBLICATIONS. In Two Volumes, Large 8vo. With Numerous Maps, Plates, and Illustrations in the Text. Price 458. PETROLEUM AND ITS PRODUCTS: A PRACTICAL TREATISE. Dr. BY BOVERTON REDWOOD, Hon. Corr. Mem. of the Imperial Russian Technical Society; Mem. of the American Chemical Acts, &c., &c. ASSISTED BY GEO. T. HOLLOWAY, F.I.C., Assoc. R. C.S., And Numerous Contributors. GENERAL CONTENTS -I. General Historical Account of the Petroleum Industry.-II. Geological and Geographical Distribution of Petroleum and Natural Gas-III. Chemical and Physical Properties of Petroleum.-IV. Origin of Petroleum and Natural Gas.-V. Production of Petroleum, Natural Gas, and Ozokerite.-VI. The Refining of Petroleum. -VII. The Shale Oil and Allied Industries.-VIII. Transport, Storage, and Distribution of Petroleum.-IX. Testing of Petroleum -X. Application and Uses of Petroleum-XI Legislation on Petroleum at Home and Abroad.-XII. Statistics of the Petroleum Production and the Petroleum Trade, obtained from the most trustworthy and offici 1 sources. "The MOST COMPREHENSIVE AND CONVENIENT ACCOUNT that has yet appeared of a gigantic industry which has made incalculable auditions to the comfort of civilised man."-The Times. "A SPLENDID CONTRIBUTION to our technical literature.”—Chemical News. "This THOROUGHLY STANDARD WORK and ably handled in every way EXCELLENT most fully could only have been produced by a man in the very exceptional position of the Author. INDISPENSABLE to all who have to do with Petroleum, its APPLICATIONS, MANUFACTURE, STORAGE, OF TRANSPORT "-Mining Journal. JUST OUT. With Plates (One Coloured) and Illustrations. A HANDBOOK ON PETROLEUM. FOR INSPECTORS UNDER THE PETROLEUM ACTS, And for those engaged in the Storage, Transport, Distribution, and Carbide. BY CAPTAIN J. H. THOMSON, AND DR. BOVERTON REDWOOD, Adviser on Petroleum to the Home Office and to the Corporation of London under the Petroleum Acts. CONTENTS.-I. Introductory.-II. Sources of Supply-III. Production.-IV, Chemical Products, Shale Oil, and Coal Tar.-V. Flash Point and Fire Test.-VI. Testings.-VII. Existing Legislation relating to Petroleum. VIII. IX. - Precautions Necessary.-X. Petroleum Ofi Lamps.-XI. Carbide of Calcium and Acetylene.-Appendices.—INDEX. LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. METALLURGICAL WORKS. THIRD EDITION. With Folding Plates and Many Illustrations. ELEMENTS OF METALLURGY: A PRACTICAL TREATISE ON THE ART OF EXTRACTING METALS BY 161 J. ARTHUR PHILLIPS, M.INST.C.E., F.C.S., F.G.S., a Many NOTABLE ADDITIONS, dealing with new Processes and Developments, will be found in the Third Edition. "Of the THIRD EDITION, we are still able to say that, as a Text-book of Metallurgy, it is THE BEST with which we are acquainted.”—Engineer. "The value of this work is almost inestimable. There can be no question that the amount of time and labour bestowed on it is enormous. There is certainly no Metallurgical Treatise in the language calculated to prove of such general utility."-Mining Journal. "In this most useful and handsome volume is condensed a large amount of valuable practical knowledge. A careful study of the first division of the book, on Fuels, will be found to be of great value to every one in training for the practical applications of our scientific knowledge to any of our metallurgical operations."-Athenæum. "A work which is equally valuable to the Student as a Text-book, and to the practical Smelter as a Standard Work of Reference. The Illustrations are admirable examples of Wood Engraving."-Chemical News. LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. CHARLES GRIFFIN ♣ 00:8 PUBLICATIONS Griffin's Metallurgical Series. STANDARD WORKS OF REFERENCE FOR Metallurgists, Mine-Owners, Assayers, Manufacturers, and all interested in the development of the Metallurgical Industries. EDITED BY Sir W. ROBERTS-AUSTEN, K.C.B., D.C.L., F.R.S., CHEMIST AND ASSAYER TO THE ROYAL MINT; PROFESSOR OF METALLURGY IN THE ROYAL COLLEGE OF SCIENCE. In Large 8vo, Handsome Cloth. With Illustrations. INTRODUCTION to the STUDY of METALLURGY. By the EDITOR. FOURTH EDITION. 15s. (See p. 63.) GOLD (The Metallurgy of). By THOS. KIRKE ROSE, D.Sc., Assoc. R.S.M., F.I.C., of the Royal Mint. FOURTH EDITION, (See p. 63.) 21S. LEAD AND SILVER (The Metallurgy of). By H. F. COLLINS, Assoc. R. S. M., M. Inst. M.M. Part I., Lead, 16s; Part of). By THOS. TURNER, 16s. (See p. 65.) STEEL (The Metallurgy of). By F. W. HARBORD, Assoc. R. S. M., F.I.C., Chemist to the Indian Government. p. 65.) (See [Ready shortly. Will be Published at Short Intervals. METALLURGICAL MACHINERY: the Application of Engineering to Metallurgical Problems. By HENRY CHARLES JENKINS, Wh. Sc., Assoc. R. S. M., Assoc. M. Inst. C. E., of the Royal College of Science. ALLOYS. By the EDITOR. Other Volumes in Preparation. LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. METALLURGICAL WORKS. 63 GRIFFIN'S METALLURGICAL SERIES. FOURTH EDITION, Revised and Enlarged. Price 15s. Large 8vo, with numerous Illustrations and Micro-Photographic Plates of different varieties of Steel. An Introduction to the Study of METALLURGY. BY Sir W. ROBERTS-AUSTEN, K.C.B., D.C.L., F.R.S., Associate of the Royal School of Mines: Chemist and Assayer of the Royal Mint; Professor of Metallurgy in the Royal College of Science. GENERAL CONTENTS.-The Relation of Metallurgy to Chemistry.--Physical Properties of Metals.-Alloys.--The Thermal Treatment of Metals.-Fuel and Thermal Measurements. -Materials and Products of Metallurgical Processes.-Furnaces.-Means of Supplying Air to Furnaces.-Thermo-Chemistry.--Typical Metallurgical Processes.-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."-Chemical News. FOURTH EDITION, Revised, Considerably Enlarged, and in part Re-written. 21s. Including the most recent Improvements in the Cyanide With Frontispiece and numerous Illustrations. Process. THE METALLURGY OF GOLD. BY T. KIRKE ROSE, D.Sc. Lond., Assoc.R.S.M., Assistant Assayer of the Royal Mint. GENERAL CONTENTS.-The Properties of Gold and its Alloys.-Chemistry of Gold.Mode of Occurrence and Distribution.-Placer Mining.-Shallow Deposits.-Deep Placer Mining. Quartz Crushing in the Stamp Battery.-Amalgamation. -Other Forms of Crushing and Amalgamating.-Concentration.-Stamp Battery Practice.-Chlorination: The Preparation of Ore.-The Vat Process.-The Barrel Process.-Chlorination Practice in Particular Mills.-The Cyanide Process.-Chemistry of the Process.-Pyritic Smelting. -The Refining and Parting of Gold Bullion-The Assay of Gold Ores.-The Assay of Bullion-Economic Considerations.-Bibliography. "A COMPREHENSIVE PRACTICAL TREATISE on this important subject."— The Times. "The MOST COMPLETE description of the CHLORINATION PROCESS which has yet been pubLished."-Mining Journal. "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 Times. 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