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      Scientific American June 13, 1914

      Microscopical and Colloidal Examinations of Jams

      The Difficulty of Detecting Adulterations

      • By Ernest. Marriage on June 13, 1914

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      More in the June 13, 1914 issue of Scientific American
      • The Development of the Aeroplane—II
      • Protection of Battleships During Darkness, The Varron of the Ox, and more
      • The Face and the Skull
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