United States Court of Appeals For the Ninth Circuit . GiUot^n^i^ No. 641,977. (No Model.) J. CONCENTRATOR. (Application filed Mar. 16, Patented Jan. 23, 1900. 4 Sheet*—Sheet I ^^VilHil33C3.

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Keywords: ., bookauthorunitedst, bookcentury1900, bookdecade1910, bookyear1913