Melting Copper Cathodes

The melting of cathode copper, usually containing 99.98+ per cent. Cu, would appear to be a simple matter. Owing to the well known affinity of

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Thickener Feedwater

The Quarto Mine and preparation plant of Quarto Mining Company is based on the production of coal from the Pittsburgh seam. At this location the

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Engineering Symbols

The Committee on Technical Nomenclature, of which John T. Faig, Professor of Mechanical Engineering at the University of Cincinnati, is Chairman, appointed by the Society

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Lead Refining Process

The building is a lofty, well-ventilated one of hardwood frame, with galvanized-iron walls and roof, and consists of five spans running north and south, covering

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Counter Current Decantation

The recovery of dissolved gold from slime pulp in the cyanide process was first accomplished by intermittent decantation. This simple process consists in mixing with

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