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Credit
Extracts from the annual report of the medical officer of the Local Government Board for 1884. Disinfection by heat. / being a report by H. F. Parsons. Public Domain Mark. Source: Wellcome Collection.
Provider
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.