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      Knowledge is Power

      Scientific American April 15, 1876

      Shaping Machines

      The “Blow Advance And Quick return” motion

      • By C. W. MacCord on April 15, 1876

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      More in the April 15, 1876 issue of Scientific American
      • Bangor Water-Works
      • Feed-Water Heater at the Exhibition
      • Iron Assaying
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