Miners' Pocket-Book: a Reference book for Miners, Mine Surveyors, Geologists ...

Cover Miners' Pocket-Book: a Reference book for Miners, Mine Surveyors, Geologists ...
Miners' Pocket-Book: a Reference book for Miners, Mine Surveyors, Geologists ...
Lock, Charles G. Warnford (Charles George Warnford), 1853-1909
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(e) The total percentage of extraction is raised.
All these advantages are quite obvious, and may, together constitute the difference between a good profit and an actual loss, in working some low ^de ores. The Montana Company (Ltd.), by the adoption of this process, obtained a total increased saving over simple pan amalgamation, of from 8 dols. to 10 dels, per ton, decreasea the loss of quicksilver by { lb. per ton of ore, and brought the grade of the bullion from 500 fine up to 900 fine.
The c
...ost of this process is from 3 dola. to 7 dols. per ton, saving from 75 to 85 per cent C!0PPEB SMSLTIHCk 229 COPPER SMELTING PLANT.
ffardufore Iboh and Miscellaneous Supplies required for a BO-ton Plant (Frafier and Chalmers, Limited.) Habdwabb.
4 iron vheelbajTowB.
6 L. H. square point shovels.
1 mason's trowel.
No. 7 26-in. hand saw.
nail hammer, No. 3.
set Jennings' hitts.
set framing chisels, axe and handle.
} doz. each axe and hammer handles.
i doz. each 4|-in. taper, 12-in.
^ round bast, files.


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