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 Barking]
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GRAPH NO. 2
SULPHUR DIOXIDE POLLUTION 1962
Monthly average of daily readings from volumetric filter apparatus
sited at Eastbury House and South-East Essex Technical School,
Rosslyn Road
72