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      Knowledge is Power

      Scientific American December 21, 1895

      Notes on Gold Milling in California

      Mill Details.

      • By Ed. B. Preston on December 21, 1895

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      More in the December 21, 1895 issue of Scientific American
      • Brighton and Rottingdean Tramway
      • Manufacture of Photographic Plates
      • The Making of a Tunnel—The Waterloo and City Railway
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