48 CHARLES GRIFFIN & CO.'S PUBLICATIONS. 



GRIFFIN'S METALLURGICAL SERIES. 



SIXTH EDITION, thoroughly Revised and considerably Enlarged. Large 



8vo, with numerous Illustrations and Micro- Photographic 



Plates of different varieties of Steel. 18s. net. 



An Introduction to the Study of 



BY 



Sir W. ROBERTS-AUSTEN, K.C.B., D.C.L., F.R.S., A.R.S.M., 



Late Chemist and Assayer of the Royal Mint, and Professor of Metallurgy 

 in the Royal College of Science. 



Revised throughout by F. \V. HARBORD, A. R.S.M., F. I. C. 



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 Ail 

 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. 



FIFTH EDITION, Revised, Considerably Enlarged, and in part Re-written. 

 With Frontispiece and numerous Illustrations. 21s. 



THE METALLURGY OF GOLD. 



BY 



T. KIRKE ROSE, D.Sc.Lond., Assoc.R.S.M., 



Chemist and Assayer of the Royal Mint. 



GBHBRAL CONTENTS. The Properties of Gold and its Alloys. Chemistry of the 

 Compounds of Gold. Mode of Occurrence and Distribution of Gold. Shallow Placer 

 Deposits. Deep Placer Deposits. Quartz Crushing in the Stamp Battery. Amalgam- 

 ation in the Stamp Battery. Other Forms of Crushing and Amalgamating Machinery. 

 Concentration in Gold Mills. Dry Crushing. Re-grinding. Roasting. Chlorination : 

 The Plattner Process, The Barrel Process, The Vat-Solution Process. The Cyanide 

 ProceM. Chemistry of the Cyanide Process. Refining and Parting of Gold Bullion. 

 Assay of Gold Ores. Assay of Gold Bullion. Statistics of Gold Production. Biblio- 

 Taphy. i 



" A COMPREHENSIVE PRACTICAL TREATISE on this important subject" The Time*. 



'The MOST COMPLETE description of the CHLORINATION PROCESS which has yet been pub- 

 lished."- J/in in? Journal. 



"Adapted for all who are interested in the Gold Mining Industry, being free from tech- 

 nicalities as far as possible, but is more particularly of value to those engaged in the 

 industry." Cap* Ttmei. 



LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND, 



