![](http://www.alamy.com/thumbs/6/DA261B67-CB9F-4191-936C-1C71F9B8A6C5/FF6RP4.jpg)
metal, silver, shaft furnace after Pilz, cross section, wood engraving, out of: "Brockhaus Konversations-Lexikon", 14th edition, Leipzig, 1891 - 1895, Additional-Rights-Clearences-Not Available
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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
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Keywords: 19th, benefication, century, cleansing, cross, dressing, engraving, extraction, extractive, furnace, furnaces, graphic, graphics, historic, historical, industries, industry, melt, melting, metal, metallurgy, metals, ore, oven, ovens, pilz, precious, preparation, processing, section, seperation, shaft, silver, winning, wood