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      Knowledge is Power

      Scientific American January 02, 1886

      The Manipulation of Heavy Forgings

      • By T. Putnam on January 2, 1886

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      More in the January 02, 1886 issue of Scientific American
      • Blowing Up Flood Rock, Hell Gate
      • Observations on the Muskrat
      • The Combustion of Explosive Mixtures Formed with Coal Gas
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