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      Scientific American April 05, 1919

      Ocean Temperatures and Seasonal Weather in Southern California

      (Extracts from open letter, dated La Jolla, Cal., Nor. 8, 1918)

      • By Wm. E. Ritter, Geo. F. McEwen on April 5, 1919

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      More in the April 05, 1919 issue of Scientific American
      • Digestibility of artificially Dried Feed
      • The Testing of Cotton by Steaming
      • “Protactinium,” a New Radio-Active Element
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