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      Knowledge is Power

      Scientific American September 20, 1873

      How to Conduct Slaughtering Packing and Rendering without Offense

      • September 20, 1873

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      More in the September 20, 1873 issue of Scientific American
      • Decisions of the Courts - September 20, 1873
      • The American Association for the Advancement of Science
      • The Vienna Prizes
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