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      Digital & 4-Year Archive

      Scientific American February 1890

      The Spectrum and its Development

      • By Gerald F. Yeo on February 1, 1890

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      More in the February 1890 issue of Scientific American
      • An English Scientist Advises us to Close all Gas Wells—A Great Crash Expected
      • Fence Wall Geology
      • Ship Canals in 1889
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