The Combination Process for Working Silicious and Semi-Base Ores Containing Gold and Silver. Not a "new process," but a better method than is generally employed for extracting the precious and base metals from silicious ores containing gold and silver associated with the baser metals. Pamphlet
by [Mining] Trent, L.C
- Very good overall
Garrison, New York
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About This Item
Chicago: Fraser & Chalmers, 1892. Second edition. Pamphlet. Very good overall. Lamartine Cavaignac Trent (1848 - 1907), respected mining engineer and manufacturer, was born in England & arrived in the U. S. in the 1860s, where he enlisted and fought in the Civil War. After the war he worked for the Northern Pacific R. R. and Clark Mine, Copper Harbor, Michigan. In the 1870s he assisted in perfecting the Frue Vanning Machine, an automated process which allowed for the separation of ore on an industrial scale. Following this period, Trent became mining advisor to Japan and Australia. In the early 1890s he organized L. C. Trent & Co., Engineers, Salt Lake City and in the late 1890s moved to Australia and worked as manager at the North Mt. Lyell Mine. In 1903, Trent returned to California, where he purchased the Dairy Farm Mine. 8vo, 24pp, pamphlet with original brown paper wrappers, and two graphics of 10 Stamp Combination Mill and Frue Ore Concentrator manufactured by Fraser & Chalmers. Front cover detached, dusty, some chipping at corners and one chip on back cover near binding. OCLC: 504503467 records only the British Library holding a copy.
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- The Combination Process for Working Silicious and Semi-Base Ores Containing Gold and Silver. Not a "new process," but a better method than is generally employed for extracting the precious and base metals from silicious ores containing gold and silver associated with the baser metals. Pamphlet
- [Mining] Trent, L.C
- Book condition
- Used - Very good overall
- Quantity available
- Second edition
- Fraser & Chalmers
- Place of Publication
- Date Published
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