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      Scientific American March 25, 1905

      Receipts for Treatment of Steel, Copper, and other Metallic Objects

      • March 25, 1905

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      More in the March 25, 1905 issue of Scientific American
      • Euphorimetry; Or, the Art of Measuring the Fertility of the Soil
      • Some Common Defects in Timber and their Causes
      • Experimental Electrochemistry
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