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 IV.
Fig. 13—" Sewage protens." About natural size—
(а) Gelatine " shake " culture. '24 hours' growth at '20° C.
(б) Gelatine " stab " culture. 24 hours' growth at 20° C.
(c) Gelatine " stab " culture. 48 hours' growth at 20° C.
Fig. 14—B. frondosus. Microscopic doublestained
preparation from an agar culture
showing spores x 1,000.
Fig. 15—B. frondosus. Gelatine plate culture, about natural
size.
Fig. 16—B. fusiformis. Microscopic double-stained
preparation, showing spores x 1,000.