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      Scientific American May 06, 1911

      Solid Ceilinǵs Iron Girders

      A Summary of German Studies

      • By Robert Grimshaw on May 6, 1911

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      More in the May 06, 1911 issue of Scientific American
      • Dynamics of the Flyinǵ Machine
      • Enǵineers and Journalists
      • Some Interestinǵ Storaǵe Battery Plate Potentials
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