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Recovery of Fumes from Chloride Volatilization of Gold
In recent investigations of chloride volatilization of gold at the Reno Station, it was found that the addition of small amounts of copper and NaCl to the charge brought about improved volatilization of the gold.
Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (In Three Parts).
Studies were made to determine the effect of the shape of a pneumatic-rock-drill exhaust muffler on its efficiency, and the origin and reduction of exit noise from the mufflers. The report describes the investigation of rock-drill noise abatement.
