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      Scientific American January 20, 1877

      Practical Mechanism - January 20, 1877

      • By Joshua Rose on January 20, 1877

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      More in the January 20, 1877 issue of Scientific American
      • Colored Photo-Lithographs by Color-Blind Cameras
      • New Agricultural Inventions - January 20, 1877
      • The Duplication of the Cube
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