. United States Court of Appeals For the Ninth Circuit. >H :Uv No. 609,804. COMPLAINANTS EXHIBIT No. 9S. I. Hallett Patent No. 609,804ALMON E. HART, Special Examiner Patented Aug. 30, I. CONCENTRATOR. (Application filed Sept. 16, 1897.) 2 sh5Pts—Sheet I. ri^. c:^.^^^ cJ. ^^^<^^^^ Ne. 609,804. S. I. CONCENTRATOR. I Application filed SoTit. 16, 1897.) Patented Aug. 30, 1898. 2 Sheets—Sheet 2 rt^.^

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