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      Scientific American April 29, 1911

      International Standard Time

      Its History and Its Recent Adoption in France

      • April 29, 1911

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      More in the April 29, 1911 issue of Scientific American
      • Eugenics and Genetics
      • The Discovery of Kepler's Laws
      • The Mercadier System of Multiplex Teleǵraphy, French Studies of Insecticides
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