--Costs
and Losses, Purchase of Ores.--Treatment of Zinc, Lead Sulphides,
Desilverisation, Softening and Refining.--The Pattinson Process.--The
Parkes Process.--Cupellation and Refining, &c., &c.
"A THOROUGHLY SOUND and useful digest. May with EVERY CONFIDENCE be
recommended."--_Mining Journal._
* * * * *
~Part II. SILVER.~
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 OF CONTENTS.--Properties of Silver and its Principal
Compounds.--Silver Ores.--The Patio Process.--The Kazo,
Fondon, Kr?hnke, and Tina Processes.--The Pan Process.--Roast
Amalgamation.--Treatment of Tailings and Concentration.--Retorting,
Melting, and Assaying.--Chloridising-Roasting.--The Augustin,
Claudet, and Ziervogel Processes.--The Hypo-Sulphite Leaching
Process.--Refining.--Matte Smelting.--Pyritic Smelting.--Matte
Smelting in Reverberatories.--Silver-Copper Smelting and Refining.--INDEX.
"The author has focussed A LARGE AMOUNT OF VALUABLE INFORMATION into a
convenient form.... The author has evidently considerable practical
experience, and describes the various processes clearly and
well."--_Mining Journal._
* * * * *
~_IN PREPARATION.
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