Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Rotherhithe]
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| NOVEMBER. | DECEMBER. | |||
|---|---|---|---|---|
| PER GALLON. | PHI GALLON. | |||
| Total Impurity. | Organic Impurity. | Total Impurity. | Organic Impurity. | |