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Antimony

Addicks, Lawrence, 1878-

Bismuth metallurgy

Addicks, Lawrence, 1878-

Lead refining

Addicks, Lawrence, 1878-

Oroya blister quality

Addicks, Lawrence, 1878-

Operations résumé

Addicks, Lawrence, 1878-

The Zinc Project

Addicks, Lawrence, 1878-

Lead-Bismuth Flue Dust Treatment

Addicks, Lawrence, 1878-

Dross

Addicks, Lawrence, 1878-

Sampling—Chrome refinery

Addicks, Lawrence, 1878-

Bismuth sales reports

Addicks, Lawrence, 1878-

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