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      Scientific American November 22, 1890

      On the New means of Exploration of the Digestive Functions

      • By Dujardin- Beaumetz on November 22, 1890

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      More in the November 22, 1890 issue of Scientific American
      • The Britannic—A Remarkable Ship
      • Electric Welding Applied to the Manufacture of Projectiles
      • Poisoning by Stale Oysters
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