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      Scientific American November 03, 1917

      Weighing Freight Cars

      How a Thin Flexible Plate does the Work of a Lever

      • By Herbert T. Wade

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      More in the November 03, 1917 issue of Scientific American
      • Advantages of Gas Consumption, Measuring Daylight
      • Notes and Queries- November 3, 1917
      • Aeronautics- November 3, 1917
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