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      Scientific American December 18, 1886

      Measurement of Gold and other Minute Metallic Spheres

      • By G. A. Gozdorf on December 18, 1886

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      More in the December 18, 1886 issue of Scientific American
      • Collodio-Bromide Emulsion Process for Lantern Slides
      • Industrial Exhibition, Newcastle-Upon-Tyne, 1887
      • Repairing Broken Crank Shafts
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