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
Malden and Coombe 1961
[Report of the Medical Officer of Health for Malden & Coombe]
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Diagrammatic illustration showing monthly average of density of smoke recorded
in New Maiden from October, 1957 - December, 1961
Readings xn milligrammes per 100 cubic metres.
Monthly Averages