Publisher's Synopsis
Excerpt from De la Richesse Min�rale, Vol. 3: Consid�rations sur les Mines, Usines Et Salines des Diff�rens �tats, Pr�sent�es Comparativement, Sous le Rapport des Produits Et de l'Administration, dans une Premi�re Division, Intitul�e Division; Division Technique, (III. E Et Vi. E Parties)
La matte mince est grill�e � ou 6 feux successifs, et fondue M..., comme la premi�re matte. De la fusion de 30 quintaux de cette matte mince quand on en a r�uni cette quantit� on obtient environ 20 qu. De cuivre noir, 2 � 4 quintaux de matte, qui est trait�e de m�me, et des laitiers tenant 6 pour 00 en cuivre.
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