. Transactions. Fig. 8.—Pb, 78 ; Sb, 11 ; Sx, 11. X 4o. Fig. 9.—Pb, 85 ; Sb, 10 : Sn, 5. X Fig. 10.—Pb, 2U : .Sb, 10 ; Sn, 70. x, 45. Fig. , : Sb, ; Sn, 60. \ 55.


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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries