London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Lewisham 1873
[Report of the Medical Officer of Health for Lewisham]
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The undermentioned is the chemical composition of the water, as given by Dr. Letherby: —
| Water Companies. | Total solid matter per gallon. | Common salt. | Oxygen required by organic matter. | Nitrogen. | Hardness. | ||
|---|---|---|---|---|---|---|---|
| As nitrates, &c. | As ammonia. | Before boiling. | After boiling. | ||||
| Lambeth | 19.28 | 1.83 | 0.073 | 0.117 | 0.002 | 14.9 | 3.6 |
| Kent | 28.25 | 2.62 | 0.007 | 0.224 | 0.000 | 21.0 | 5.8 |