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      Knowledge is Power

      Scientific American November 09, 1895

      Formic Aldehyd; Its Detection in Milk, and Value as a Preservative

      • By R. T. Thomson on November 9, 1895

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      More in the November 09, 1895 issue of Scientific American
      • Antiseptics in Ointments
      • Elevator for Unloading Coal Boats
      • Practical Advice for the Direct Photographing of Colors According to the Lippmann Method
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