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 Wandsworth, Metropolitan Borough]
This page requires JavaScript
TABLE I .
| Date. | Illuminating Power in Standard Sperm Candles. | Grains of Sulphur in 100 cubic feet of gas. |
|---|---|---|
| April, 1909 | 14.8 | 25.2 |
| May, „ | 15.2 | 25.2 |
| June, ,, | 15.0 | 25.0 |
| July, „ | 14.9 | 25.6 |
| August, ,, | 14.8 | 23.4 |
| September, ,, | 14.8 | 21.0 |
| October, ,, | 14.9 | 22.5 |
| November, ,, | 14.7 | 23.5 |
| December, ,, | 14.4 | 22.4 |
| January, 1910 | 14.5 | 23.2 |
| February, ,, | 14.8 | 24.5 |
| March, ,, | 14.7 | 26.0 |
| Average for the year ended 31st March, 1910 | 14.8 | 24.0 |