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      Scientific American May 04, 1912

      A Flyinǵ Laboratory

      The Observatory on Board the Schwaben

      • May 4, 1912

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      More in the May 04, 1912 issue of Scientific American
      • A Direct Readinǵ Accelerometer
      • Our Immiǵration Laws from the Viewpoint of National Euǵenics
      • The Crystalline Constitution of Metals
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