Abstract
THE subject treated in these two books is one of great and rapidly increasing importance. The practical application Of flotation methods is only about thirteen years old, and already the quantity of ore treated by them must amount to little, if any, less than 30,000,000 tons. When it is borne in mind that a large proportion of this quantity consists of slimes and complex ores that had defied all known methods of treatment until flotation processes were intro duced, the economic importance of the subject can be readily appreciated. Furthermore, as Mr. Hoover points out in his book, this method is still in some respects in its experimental stage, and its limits of applicability are being rapidly widened, so that there are very good grounds for the opinion expressed by him:—” It would seem at the present time a justifiable prophecy that flotation methods of concentration will in the not distant future very largely displace gravity, methods.”
(1) Concentrating Ores by Flotation.
By T. J. Hoover. Pp. vi + 320. Third edition. (London: The Mining Magazine, 1916.) Price 12s. 6d. net.
(2) The Flotation Process.
Compiled and edited by T. A. Rickard. Pp. 364. (San Francisco: Mining and Scientific Press, 1916.) Price 8s. 6d. net.
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L., H. (1) Concentrating Ores by Flotation (2) The Flotation Process. Nature 98, 246–247 (1916). https://doi.org/10.1038/098246b0
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DOI: https://doi.org/10.1038/098246b0