. United States Court of Appeals For the Ninth Circuit. t/vvt INVENTORSATTORNEY No. 769,431. PATENTED SEPT. 6, A. CAMMETT & F. E. CONCENTRATOR. APPLIOATIOH FILED HAE. 29, 1898. 5 SHEETS-SHEET W/TNESSES -^y^.-JS-; INVENTORSATTORNEY No. 769,431. PATENTED SEPT. 6, A. CAMMETT & F. E. CONCENTRATOR. APPLICATION FILED MAE. 29, 1898. 6 SHEETS-SHEET 3.

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