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      Scientific American July 20, 1912

      The 1912 Convention of the Master Mechanics Association

      Discussion of Many Important Points in Railway Practice

      • By Reginald Gordon on July 20, 1912

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      More in the July 20, 1912 issue of Scientific American
      • Elements of Theoretical Aeromechanics
      • The Electrically Operated Loftus Ironstone Mine
      • Laying Out a Cable System Through the River Trave
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