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      Scientific American May 03, 1913

      The Hardness of Metals

      Theoretical Basis of Metal Working

      • By Thos. A. Eastick on May 3, 1913

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      More in the May 03, 1913 issue of Scientific American
      • New Books, Etc. - May 3, 1913
      • Commercial and Financial Aspects of Gas Manufacture—II
      • Correspondence - May 3, 1913
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