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      Scientific American November 03, 1888

      A New Planimeter

      On a New Sphere Planimeter.*

      • By Hele Shaw on November 3, 1888

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      More in the November 03, 1888 issue of Scientific American
      • A New Catalogue of Valuable Papers
      • On the Propulsion of Ships by Air Propellers
      • The Solomiac Torpedo Net
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