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      Scientific American January 21, 1893

      The Analyzing Eye Piece

      • By William Lighton on January 21, 1893

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      More in the January 21, 1893 issue of Scientific American
      • History and Advantages of the Hardie Compressed Air Locomotive for City Railroads
      • On the Forms of Comets' Tails
      • The New Connelley Gas Motor
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