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      Knowledge is Power

      Scientific American September 21, 1907

      New Problems of the Weather

      Temperature Conditions at Great Elevations Secured by Rites and Balloons

      • By Willis L. Moore, W. J. Humphreys, O. L. Fassig on September 21, 1907

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      More in the September 21, 1907 issue of Scientific American
      • Electrical Notes
      • Production of Mineral Waters in the United States in 1906
      • The Telescope
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