January 27, 2017
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125kw Inductotherm VIP-I Precious Metals Melting System: The furnace was only used for proof of concept in a platinum recovery project and has extremely low hours.
The determination of specific gravity dates from such antiquity, and the various published methods of determining it are so numerous, that one may well be
The Relation Between the “ Effective Hardness ” of Corundum and its Content of Water: A specimen of corundum from Acworth, Ga., which was reputed to be of markedly inferior
The apparatus which I shall describe in this paper has been in use for some time at the Silver Bullion Assay laboratory of the Pennsylvania
Every millman engaged in the operations incident to the handling of crushing-rolls knows that in ordinary practice, when fine product is desired, the ore-materials delivered
Several interesting experiments were made in the sampling of the silver-lead bullion obtained from the water- jacket smelting-furnace. The smelting-plant is divided into two portions, known
The dry methods of assaying mercury-ores and other combinations of mercury all rest upon the volatility of this metal as a beginning. After the separation
It is a tradition in the brass industry that bismuth is an injurious element in brass, even more deleterious than antimony; but such a belief
The adaptation of European methods of concentrating ores to suit the conditions of this country has followed the lines that simplify machinery, diminish labor and