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 2.
Showing the total number of Bacteria In 1 cc of Barking crude sewage and in 1 cc
of the effluents from the primary &. secondary coarse beds (Series A); and the
primary coarse bed and secondary fine bed (Series B).