During the last half century a great amount of ingenuity and energy has been devoted to the invention of appliances for the recovery of valuable
Gold dredging has won an important place in the industry of mining, and it has done so by right of hard-earned merit. Probably no branch
In the Cyanide Destruction by Hypochlorite reaction, the pH has a strong inverse effect on the ORP. Thus, wastewater treatment facilities must closely control the pH
With the rapid development of Canadian industries calling for the use of fire-brick for the lining of furnaces or cement-kilns, for constructing brick-kilns or coke-ovens,
As the electrolytic plant of this company operates at a current density of approximately 35 to 40 amperes per square foot when running up to
Few authors of treatises and papers on engineering subjects have given adequate attention to topographic maps. The statement applies especially to mining engineering in all
This paper is not intended to be a technical discussion of square-set framing as used in mines, but merely a short description of the different
In my opinion, the concentration of minerals by flotation is the most interesting problem in ore-dressing, and will command eventually far more consideration than it
During the latter half of the nineteenth century and the early years of the twentieth, the major percentage of metallurgical coke produced in the United
