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
London County Council 1899
[Report of the Medical Officer of Health for London County Council]
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DIAGRAM 7.
Showing the number of Bacillus Coll (or closely allied forms) in 1 cc. of Crossness
crude sewage, and In 1 cc. of the effluent from the 13 ft. coke-bed.