64 CHARLES GRIFFIN <S: CO.'S PUBLICATIONS. 



aRIFFIN'S METALIiURGICAL SEHIES. 



Edited by SIR W. ROBERTS-AUSTEN, K.C.B., F.R.S., D.C.L, 



In Large Svo. Handsome Cloth. With Illustrations. 



In Two Volumes, Each Complete in Itself and Sold Separately. 



THE METALLURGY OF LEAD AND SILVER. 



By H. F. COLLINS, Assoc.R.S.M., M.Inst.M.M. 



IP^x^t J.— ILi E J5. I> : 



A Complete and Exhaustive Treatise on the Manufacture of Lead, 

 with Sections on Smelting and Desilverisation, and Chapters on th» 

 Assay and Analysis of the Materials involved. Price i6s. 



Summary of Contents. — Sampling and Assaying Lead and Silver.— Properties «nd 

 Compounds of Lead. — Lead Ores. — Lead Smelting. — Beverberatories. — Lead Smelting in 

 Hearths.— The Boasting of Lead Ores.— Blast Furnace Smelting ; Principles, Practic*, 

 and Examples ; Products. — Flue Dust, its Composition, Collection and Treatment. — 

 Coats and Losses, Purchase of Ores.— Treatment of Zinc, Lead Sulphides, Desilverisation, 

 Softening and Beflning.— The Pattinson Process. — The Parkes Process. — Cupellation and 

 Beflning, &c., &c. 



"A THOROUGHLY SOUND and Useful digest. May with evert confidbncm b» 

 recommended." — Mining Journal. 



I>a.3?t 11.— SI X^ ITER. 



Comprising Details regarding the Sources and Treatment of Silver 

 Ores, together with Descriptions of Plant, Machinery, and Processes of 

 Manufacture, Refining of Bullion, Cost of Working; &c. Price 16s. 



Summary op Contents.— Properties of Silver and its Principal Compounds. — Silvar 

 Ores.— The Patio Proces*.— The Kazo, Fondon, Krohnke, and Tina Processes.— The Pan 

 Process.— Boast Amalgamation.— Treatment of Tailings and Concentration.- Retorting, 

 Melting, and Assaying.— Chloridising-Boasting.— The Augustin, Claudet, and Ziervogel 

 Processes.— The Hypo-Sulphite Leaching Process.— Befining.—Matte Smelting.— Pyritio 

 Smelting.— Matte Smelting iu Beverberatories.— Silver-Copper Smelting and Beflning.— 

 Index. 



" The author has focussed A LARGE amount of valuabl''' information into a 

 convenient form. . . . The author has evidently considerable practical experienc«, 

 and describes the various processes clearly and well. ' — Mining Jcurnal. 



LONDON: CHARLES GRlFFiN & CO., LIMiTED, EXF.TER STREET, STRAND, 



