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      Knowledge is Power

      Scientific American June 29, 1912

      The Aǵricultural Motor Contest at Chelles

      A Comparison of European and American Machines

      • By Lucien Fournier, L. W. Ellis on June 29, 1912

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      More in the June 29, 1912 issue of Scientific American
      • Modern Dredǵers of the Bucket and Suction Type
      • The Physioloǵy of the Dinner Table
      • Modern uses of the Metal Aluminium
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