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1824.5 Johann Christian ORSCHALL. Oeuvres M�tallurgique de M. Jean-Christian Orschall, Inspecteur des Mines de S.A.S. le Land-Grave de Hesse-Cassel. Contentant I. L'Art de la Fonderie; II. Un Trait� de la Liquation; III. Un Trait� de la Mac�ration des Mines; IV. Le Trait� des Trois Merveilles; Traduit de l'Allemand. 12� A Paris: Chez Hardy 1760 Ferguson Wisconsin
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