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      Scientific American July 20, 1907

      A New Method of Preparing Anhydrous Protoxide of Lithium

      • July 20, 1907

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      More in the July 20, 1907 issue of Scientific American
      • A Self-Propelling Searchlight
      • Preparation of a Moth-Exterminating Powder
      • The Saint-Michel Station of the Paris Metropolitan
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