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      Knowledge is Power

      Scientific American June 15, 1878

      Recent Improvements in Aniline Blacks

      • By Antony Guyard on June 15, 1878

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      More in the June 15, 1878 issue of Scientific American
      • A Gas-Absorber
      • Alcohol Dressing in Scalp Wounds
      • F. E. Brenzinger, of New York
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