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      Save a Tree This Earth Day

      Scientific American October 05, 1878

      The Art of Preserving the Eye-Sight

      Adapted from the French of ARTHUR CHEVALIER X.—OF THE NUMBER AND FOCI OF LENSES. AND THEIR MOUNTINGS.

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      More in the October 05, 1878 issue of Scientific American
      • Handling and use of the Meat of Diseased Animals
      • Outlines of Chemistry
      • Report on the Recent Eclipse as Seen in the United States, by the Astronomer Royal of Great Britain
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