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 London County Council]
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Diagram 8, showing the number of spores of B. Enteritidis Sporogenes (Klein) in 1 cc. of
Crossness crude sewage (eleven samples); in 1 cc. of effluent from 4-foot coke-bed (ten, samples); in
I cc. of effluent from 6-foot coke-bed (five samples); and in 1 cc. of effluent from laboratory coke-bed
(effluent from 6-foot coke-bed again treated in laboratory at Crossness—four samples).