The hydrometallurgy of copper . One Right and One Lett -UH- ?-n Cost lion Fig. 91. Figs. 89, 90, 91.—Details of trough construction. Fig. 89, cross-section of trough;Fig. 90, connection of troughs; Fig. 91, trough union. 456 HYDROMETAjbJUUiHsri ur i^um^iv Flange Union. Fig. 92.—Lead pipe connection with iron flange Plange Union H

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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192400467, bookyear1912