A. The first Fewer of the roasting ... D. The sulfur catch auff eme other arht ..., Copper engraving depicting metal extraction, roasting is an important precursor of smelting, ie the actual extraction of metals., During roasting, the ore was heated below the melting point., The process served to evaporate undesirable components such as sulfur and precipitate before melting, date estimated., 8, after p. 80, 1690, Georg Engelhard Löhneysen, Gottfried Liebezeit: Gründlicher und auszführlicher Bericht von Bergwercken: wie man dieselbigen nützlich und fruchtbarlich bauen, in glückliches Auffnehmen
A. The first Fewer of the roasting ... D. The sulfur catch auff eme other arht ..., Copper engraving depicting metal extraction, roasting is an important precursor of smelting, ie the actual extraction of metals., During roasting, the ore was heated below the melting point., The process served to evaporate undesirable components such as sulfur and precipitate before melting, date estimated., 8, after p. 80, 1690, Georg Engelhard Löhneysen, Gottfried Liebezeit: Gründlicher und auszführlicher Bericht von Bergwercken: wie man dieselbigen nützlich und fruchtbarlich bauen, in glückliches Auffnehmen bringen, und in guten Wolstand beständig erahlten [...]. Stockholm & Hamburg: Liebezeit, 1690
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Photo credit: © Artokoloro / Alamy / Afripics
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