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      Knowledge is Power

      Scientific American May 04, 1918

      Mechanical Equipment of the Farm- May 4, 1918

      Latest developments in agricultural machinery and practical suggestions for the farmer

      • By Harry C. Ramsower on May 4, 1918

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      More in the May 04, 1918 issue of Scientific American
      • A Weeder Attachment for Cultivators, A New Tillage Tool
      • Inventions New and Interesting- May 4, 1918
      • The Current Supplement- May 4, 1918
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