The hygiene of air and water : being a popular account of the effects of the impurities of air and water, their detection, and the modes of remedying them / by William Proctor.

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The hygiene of air and water : being a popular account of the effects of the impurities of air and water, their detection, and the modes of remedying them / by William Proctor. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.