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 Chislehurst]
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A sulphur dioxide gauge will be provided during 1955, thus making available information concerning the more poisonous element of atmospheric pollution.
Monthly deposit. Tons per sq. mile. | ||||||||||||
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Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | |