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      Digital & 4-Year Archive

      Scientific American September 27, 1879

      Practical Experiments in Magnetism, with Special Reference to the Demagnetization of Watches.--No. 1

      • By Alfred M. Mayer on September 27, 1879

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      More in the September 27, 1879 issue of Scientific American
      • A Wonderful Clock
      • Giant Insects
      • New form of Reynier's Electric Lamp
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