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      Scientific American September 22, 1877

      The Young Men's Christian Association Building, Philadelphia, Penn., Mr. Addison Hutton, Architect

      • September 22, 1877

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      More in the September 22, 1877 issue of Scientific American
      • Bichromate of Potash as an Antiseptic
      • English Railway Tunnels
      • Laws Governing the Production of the Sexes
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