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      Scientific American February 08, 1913

      The Reality of Molecules

      A Resume of the Overwhelming Experimental Evidence Gathered Within the Past Decade

      • By T. Svedberg on February 8, 1913

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      More in the February 08, 1913 issue of Scientific American
      • Manufacturing the Circular Cut File
      • Power from Waste Fuel
      • Mental Tests to Grade Pupils at School
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