antimony - Sciencemadness.org
antimony - Sciencemadness.org
antimony - Sciencemadness.org
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144 THE METALLUKGY OF ANTIMONY.<br />
English Patents.<br />
183. Butterfield, No. 331, 1901.<br />
184. Butterfield, Improvements in the method of treating copper, lead, tin, <strong>antimony</strong><br />
ores in order to obtain the respective metals, No. 25,891, Nov. 27,<br />
1907.<br />
185. Christmas, No. 10,399, 1895.<br />
186. Edwards, No. 15,791, July 2, 1897.<br />
187. Hargreaves and Bobinson, No. 7206, 1884.<br />
188. Longridge and Holloway, No. 303, 1896.<br />
189. Masson, Improved wet process for the recovery of <strong>antimony</strong> in a pure state<br />
from ores, concentrates, tailings, and slimes containing it, No. 16,884,<br />
July 31, 1907.<br />
190. M'Gf-owan and Maclvor, Improvements in tJie treatment of antimonial and<br />
other complex sulphide ores containing gold, No. 4541, March 6, 1907.<br />
191. Parnell and Simpson, No. 11,882, Sept. 1, 1884.<br />
192. Parnell and Simpson, No. 9918, 1886.<br />
193. Ploeg, No. 12,308.<br />
194. Siemens, No. 7123, April 1, 1896.<br />
French Patent.<br />
195. Izart et Thomas, Proc&M pour Vextraction Uectrolytique de Vantimoine en<br />
partant de lews minerals sulfurts, No. 319,449, Feb. 3, 1903.<br />
United States Patents.<br />
196. Betts, A. G., No. 792,307, June 13, 1905.<br />
197. Masson, T. E., No. 890,432, June 9, 1908.
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