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      Knowledge is Power

      Scientific American November 04, 1916

      Buttons as a By-Product of Beer, Patents Issued on Collodial Bitumens, and more

      • November 4, 1916

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      More in the November 04, 1916 issue of Scientific American
      • Letting the Eye Train the Voice
      • Strategic Moves of the War, October 26th, 1916
      • New Books, Etc.- November 4, 1916
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