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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PLATE V.
Fig. C.
(Diagrammatic.)
Colonies (superficial and deep) of spore-forming anaerobes in agar plate cultures
(previously inoculated with 1/10 c.c. of crude sewage or of effluent and then heated to 80°
C. fob 10 minutes: cultivated under anaërobic conditions at 37° C.). under a low power
OF the microscope (leitz, 3 objective, 1 ocular).