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| Keywords: Hollway converting furnace.png John Hollway en 1879 pour fondre les pyrites en matte de cuivre Ce four est conçu pour réaliser à la fois la fusion et un affinage partiel Il n'a débouché sur aucune application industrielle en Converter furnace proposed by John Holway in 1879 to smelt pyrites into copper matte This furnace is designed to tealize both smelting and partial refining It has never been followed by any industrial example 1905 https //archive org/details/moderncoppersmel00pete Modern Copper Smelting p 408 Edward Dyer Peters 1849-1917 other versions PD-old-70-1923 Uploaded with UploadWizard History of metallurgy technologies Copper industry | ||||
