. Transactions. Brin. , d = mm. 550° C. anneal Brin. , d = mm. jTjQ 9—Etched with ammonia and hydrogen peroxide. X 75. W. H. BASSETT AND C. H. DAVIS 441 PER CENT. REDUCTION PER CENT. REDUCTION. Brin. , d= mm. 600° C. anneal Brin. (Z= mm.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries