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      Scientific American December 14, 1889

      Recently Patented Inventions- December 14, 1893

      • December 14, 1889

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      More in the December 14, 1889 issue of Scientific American
      • An Unloading Attachment for Cars
      • Index of Inventions- December 14, 1893
      • The New Chicago Water Works--the Lake Tunnel Intakes, and Caissons
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