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Scientific American, Vol. 55, No. 11 (1886) (1886)
leaf 7
a cluster of radiating reduction grinding, the top mill cutting and grinding Was this dome a “mark”? It certainly was. Was hollow arms, as shown in the engraving. The lower as fine as a single mill, and then discharging into the it distinctive ? His Lordship thought it was, and that ends of these… … STRAUB’S “QUAKER CITY” DOUBLE GRINDING MILL. STRAUB'S ‘QUAKER CITY” SINGLE GRINDING MILL, shown is remarkable. © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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