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 London County Council]
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No. and date of experiment. | Direction and force of wind. | Barometrical pressure. | Temperature. | Velocity of air current. | Vols, of CO2 per 10,000. Pump room air. | Vols, of CO2 per 10,000. Sewer air. | Organisms in 10 litres of fresh air. | Organisms | in 10 litres of sewer air. | Remarks. | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shade. | Sewer. | Moulds. | Bacteria. | Total. | Moulds. | Bacteria. | Total. | |||||||
1893. | ||||||||||||||
1. August 10th | ... | ... | ... | ... | ... | ... | 68.40 | ... | ... | ... | ... | ... | ... | |
2. August 16th | ... | ... | ... | ... | ... | ... | 93.10 | ... | ... | ... | ... | ... | ... | |
3. September 6th | ... | 30.00 | 82 | 56.5 | ... | ... | 46.33 | ... | ... | ... | 1 | 11.5 | 12.5 | Extremely disagreeable smell in sewer. Very fine hot day. |