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      Scientific American July 20, 1907

      A Self-Propelling Searchlight

      An Exceptional Type of Motor Vehicle

      • By L. Ramakers on July 20, 1907

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      More in the July 20, 1907 issue of Scientific American
      • Preparation of a Moth-Exterminating Powder
      • The Saint-Michel Station of the Paris Metropolitan
      • Autogenous Welding of Metals
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