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 Camberwell.
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ATMOSPHERIC POLLUTION 1957
Average Concentration of Smoke in Milligrams per Cubic Metre.
Average Concentration of Sulphur Dioxide in parts per Million
Volumes of Air.
Apparatus installed at 475 Lordship Lane
(In operation only from 1st June, 1957).