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      Scientific American September 14, 1912

      The Ultra-Microscope

      And Its Application to the Study of Colloids

      • By E. Jobling on September 14, 1912

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      More in the September 14, 1912 issue of Scientific American
      • Screening as an Anti-Malaria Measure
      • The Action of Radium Rays on Blue Sapphires and Blue Rock Salt
      • Trade Notes and Formulae
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