London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
London County Council 1899
[Report of the Medical Officer of Health for London County Council]
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TABLE I.—(
| Date. | Number of times filled daily. | Number of grains of oxygen absorbed from permanganate in 4 hours by one gallon of— | ||||
|---|---|---|---|---|---|---|
| Crude sewage. | Effluent from the Ragstone series. | Effluent from the Coke series. | ||||
| Primary coarse bed. | Secondary fine bed. | Primary coarse bed. | Secondary-fine bed. | |||
| 1898. | ||||||
| Mar. 6 | Twice | 4.000 | 2.900 | 1.800 | 3.000 | 1.500 |
| 7 | 4.300 | 3.100 | 1.900 | 2.900 | 1.400 | |
| 8 | 4.500 | 3.300 | 2.000 | 3.100 | 1.500 | |
| 9 | 5.100 | 3.800 | 2.200 | 3.900 | 1.700 | |
| 10 | 4.700 | 3.400 | 2.100 | 3.300 | 1.900 | |
| 11 | 3.800 | 3.000 | 1.900 | 3.100 | 1.600 | |
| 13 | 4.216 | 3.725 | 1.863 | 3.627 | 1.863 | |
| 14 | 4.412 | 3.627 | 2.157 | 3.529 | 1.863 | |
| 15 | 4.216 | 3.137 | 2.255 | 2.941 | 1.863 | |
| 16 | 4.706 | 3.431 | 2.255 | 3.235 | 1.667 | |
| 17 | 4.314 | 3.235 | 2.059 | 3.333 | 1.863 | |
| 18 | 3.725 | 2.950 | 2.059 | 2.745 | 1.373 | |
| 20 | 4.314 | 3.333 | 1.863 | 3.333 | 1.569 | |
| 21 | 4.623 | 3.585 | 1.981 | 3.396 | 1.698 | |
| 22 | 4.623 | 3.208 | 2.264 | 3.113 | 1.981 | |
| 23 | 4.057 | 2.925 | 1.604 | 2.736 | 1.415 | |
| 24 | 4.434 | 2.925 | 1.887 | 3.019 | 1.604 | |
| 25 | 4.057 | 3.396 | 2.170 | 3.775 | 1.604 | |
| 27 | 4.623 | 3.679 | 2.075 | 3.775 | 1.604 | |
| 28 | 4.528 | 3.491 | 2.170 | 2.830 | 1.698 | |
| 29 | 5.189 | 3.775 | 1.698 | 3.302 | 1.887 | |
| Apl. 5 | 5.094 | 4.717 | 2.736 | 5.000 | 1.792 | |
| 6 | 4.057 | 3.208 | 2.547 | 3.208 | 1.509 | |
| 7 | 3.868 | 3.396 | 2.075 | 3.019 | 1.321 | |
| 8 | 4.151 | 3.585 | 1.792 | 3.585 | 1.604 | |
| 10 | 2.925 | 2.264 | 1.415 | 2.547 | 1.321 | |
| 11 | 3.208 | 2.359 | 1.604 | 2.736 | 1.321 | |
| 12 | 4.057 | 3.019 | 1.887 | 2.736 | 1.509 | |
| 13 | 3.775 | 3.019 | 1.698 | 2.925 | 1.415 | |
| 14 | 2.736 | 2.170 | 1.415 | 2.359 | 1.321 | |
| 15 | 2.830 | 2.547 | 1.604 | 2.547 | 1.226 | |
| Ave rages | 3.797 | 3.015 | 1.933 | 2.944 | 1.396 | |
Table 2.—Temperature Readings of the Atmosphere and of the Effluents from the
Coke-beds of Series A. and B.
Temperatures in degrees Fahrenheit.
| Date. | Air. | Crude sewage. | Air. | Effluent from primary bed A. | Effluent from primary bed B. | Air. | Effluent from secondary bed A 1. | Effluent from secondary bed B 1. |
|---|---|---|---|---|---|---|---|---|
| 1899. | ||||||||
| Dec. 11 | 33.0 | 53.0 | 30.5 | 48.0 | 43.0 | 29.0 | 40.0 | 38.0 |
| 12 | 34.0 | 54.5 | 34.0 | 42.0 | 40.5 | 32.0 | 40.0 | 39.5 |
| 12 | 33.5 | 55.0 | 36.0 | 47.0 | 42.0 | 36.0 | 43.0 | 40.0 |
| 13 | 32.0 | 54.0 | 32.0 | 42.0 | 40.0 | 30.0 | 42.5 | 41.0 |
| 14 | 32.0 | 54.5 | 36.5 | 45.5 | 42.0 | 34.0 | 42.5 | 39.5 |
| 15 | 35.0 | 54.0 | 35.0 | 44.0 | 42.0 | 30.5 | 43.5 | 39.0 |
| 15 | 32.0 | 55.0 | 30.5 | 45.0 | 45.5 | 32.0 | 42.5 | 40.5 |
| 16 | 32.0 | 55.0 | 32.0 | 41.0 | 40.0 | 30.0 | 42.5 | 41.0 |
| 16 | 44.0 | 52.0 | 35.0 | 43.0 | 41.5 | 35.0 | 43.0 | 41.5 |
| 18 | 43.0 | 54.0 | 40.0 | 44.0 | 44.0 | 41.0 | 42.0 | 41.0 |
| 19 | 42.0 | 53.0 | 41.0 | 45.0 | 45.0 | 35.0 | 44.0 | 44.0 |
| 20 | 40.0 | 53.0 | 40.0 | 47.0 | 46.0 | 39.0 | 45.0 | 44.0 |
| 21 | 41.0 | 54.0 | 39.0 | 47.0 | 46.0 | 40.0 | 44.0 | 45.0 |
| 27 | 34.5 | 53.5 | 33.0 | 44.5 | 41.5 | 34.5 | 41.5 | 40.0 |
| 28 | 30.0 | 53.0 | 34.0 | 44.0 | 42.0 | 36.0 | 39.0 | 38.0 |
| 28 | 43.0 | 52.0 | 43.5 | 46.0 | 45.5 | 46.0 | 43.5 | 43.0 |
| 29 | 47.0 | 50.0 | 47.0 | 50.0 | 49.0 | 51.0 | 46.0 | 46.0 |
| 29 | 52.5 | 48.0 | 50.0 | 51.0 | 51.5 | 49.0 | 51.0 | 51.0 |
| 30 | 46.0 | 53.0 | 46.5 | 52.0 | 52.0 | 47.5 | 50.0 | 50.0 |
| 30 | 45.0 | 53.0 | 44.0 | 51.0 | 51.0 | 45.0 | 51.0 | 50.5 |
| Averages | 38.5 | 53.0 | 38.0 | 46.0 | 44.5 | 37.5 | 44.0 | 42.5 |