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      Digital & 4-Year Archive

      Scientific American April 19, 1902

      Tests and Constitution of Portland Cement

      • By A. D. Elbers on April 19, 1902

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      More in the April 19, 1902 issue of Scientific American
      • Chestnut Cultivation in France
      • John Loudon McAdam, the Road-Maker
      • Texas Oil for Locomotive Fuel
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