metal, gold, stamp mill, 19th century, 19th century, precious metal, precious metals, mining industry, opencast mining, open-pit mining, open-cut mining, underground mining, deep mining, mine, metallurgy, ore dressing, preparation of ore, cleansing of ore, ore seperation, ore benefication, metal processing, stamping mill, hammer mills, trip hammer, striking mechanism, striking mechanisms, ore, crushing, crush, shred, chop, shredding, chopping, metal, metals, stamp mill, stamp mills, historic, historical, Additional-Rights-Clearences-Not Available

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Keywords: 19th, benefication, century, chop, chopping, cleansing, crush, crushing, deep, dressing, gold, hammer, historic, historical, industry, mechanism, mechanisms, metal, metallurgy, metals, mill, mills, mining, open-cut, open-pit, opencast, ore, precious, preparation, processing, seperation, shred, shredding, stamp, stamping, striking, trip, underground