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      Scientific American July 03, 1920

      Wonders in Steel Forging

      The Role of Giant Hydraulic Presses and Huge Steam Hammers in Large-Scale Blacksmithing

      • By A. R. Surface

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      More in the July 03, 1920 issue of Scientific American
      • How Plate Glass is Made
      • The Romance of Invention--XIV
      • Inventions New and Interesting - July 3, 1920
      View Full Contents
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