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 L鰄neysen; Gottfried Liebezeit: Gr黱dlicher und auszf黨rlicher Bericht von Bergwercken: wie man dieselbigen n黷zlich und fruchtbarlich bauen; in gl點kliches Auffnehmen bringen; und in guten Wolstand best鋘dig erahlten [...]. Stockholm & Hamburg: Liebezeit; 1690