London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
City of Westminster 1934
[Report of the Medical Officer of Health for Westminster, City of]
This page requires JavaScript
CHART "B."
SULPHUR GAS IN THE ATMOSPHERE.
Variations throughout the year of SO2 measured by weight, with corresponding readings of rainfall, wind and visibility.
Weight of SO2
Visibility - - - - - - -
Rainfall— TR. = under 0.1 mm. (average is 1.2 mm.).
To face page 84.