Second report on the deoderisation of sewer emanations and on sewer ventilation. With appendix containting detailed reports by Sir. H. Roscoe's assistant / by Henry E. Roscoe.

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Second report on the deoderisation of sewer emanations and on sewer ventilation. With appendix containting detailed reports by Sir. H. Roscoe's assistant / by Henry E. Roscoe. 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.