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      Scientific American February 04, 1893

      Analysis of Washing Powders

      • By W. J. Kinney, W. H. Wenger, F. P. D. on February 4, 1893

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      More in the February 04, 1893 issue of Scientific American
      • Development of Electric Metal Working
      • On some Recent Discoveries and Problems in the Anatomy and Physiology of the Brain
      • Specific Gravity
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