Mills consisted of machinery and materials set up to recover the valuable contents in ores. The mills were typically enclosed in buildings with the equipment arranged in levels, with the lower level last so gravity moved the product downward. Between the 1860's and 1880's many processes were tried and abandoned befor…See more on westernmininghistory
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Stamp Mills for Processing Gold Silver Copper Ore
WEBGrinding balls, steel grinding balls, forged steel grinding balls, and rolled grinding balls are integral components in mining operations. They are used in ball mills …