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      Knowledge is Power

      Scientific American September 23, 1916

      Inventions New and Interesting- September 23, 1916

      Simple Patent Law; Patent Office News; Notes on Trademarks

      • September 23, 1916

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      More in the September 23, 1916 issue of Scientific American
      • Converting a Municipal Liability into an Asset, Remarkable Increase in the Manufacture of Electrochemical Products, and more
      • The Quebec Bridge Disaster
      • The Life of a Naval Volunteer
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