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      Knowledge is Power

      Scientific American March 1927

      Commercial Property News, March 1927

      A Department of Facts and Notes of Interest to Patentees and Owners of Trademark Rights

      • By Milton Wright on March 1, 1927

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      More in the March 1927 issue of Scientific American
      • How a Great Museum Serves the Public
      • Marconi Strides Onward
      • New British Tanks, Field Artillery, and Military Cars with Road Wheels and with Tracks for Rough Ground
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