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      Scientific American May 21, 1910

      A Self-Lighting Electric Alarm Clock

      • By Alfred Gradenwitz on May 21, 1910

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      More in the May 21, 1910 issue of Scientific American
      • Alexander Agassiz, For.MEM.R.S.
      • Impure Water and its Effect on Fish
      • Steam Turbine Electric Locomotive
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