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Titles
- Contributions to our knowledge of sewage1
- Observations on the composition of the ground-atmosphere in the neighborhood of decaying organic matter1
- Professor W.R. Nichols on the Boston water supply1
- Report of Professor Nichols to the Water Commissioners, Springfield, Mass1
- Report of Professor W.R. Nichols on the New Bedford water supply1
- Report of Professor W.R. Nichols, on the Boston water supply1
- Reports of Professor Nichols and Dr. Farlow on matters connected with the Boston water supply1
- Ventilation of railroad cars1