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      Knowledge is Power

      Scientific American September 21, 1901

      Cotton Seed Manufacture, with Suggestions to Inventors and Economists

      • By Edwin Lehman Johnson on September 21, 1901

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      More in the September 21, 1901 issue of Scientific American
      • Australian Opal and Opal Mining
      • Men and Microbes
      • The Beet Sugar Industry
      View Full Contents
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