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      Scientific American April 16, 1887

      Oxalic Acid for the Separation of Various Metals

      • By C. Luckow on April 16, 1887

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      More in the April 16, 1887 issue of Scientific American
      • A Simple Form of Water Battery
      • Hooped Crank Axles, London and Brighton Railway
      • Recovery of Sulphurous Acid
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