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 Lambeth]
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1884-5 20
Supplied by the Gas Light and Coke and Crystal Palace District Gas Companies, made on 37 and 11 occasions respectively during the year ending the 25th March, 1886.
| Gas Companies. | Where tested. | Average Illuminating Power. | Tests for parity, Ammonia, and Sulphuretted Hydrogen. |
|---|---|---|---|
| The Gas Light and | Vestry Hall | 15.5 | Free from Sulphuretted Hydrogen & Ammonia. |
| The Crystal Palace District | Sydenham Station | 15.6 | Ditto. |
The following gives the Illuminating Power of the Gas supplied by the South Metropolitan Company, as taken from the Chief Gas Examiner's quarterly Reports:—
| ILLUMINATING POWER. | |||
|---|---|---|---|
| Maximum. | Minimum. | Average. | |
| June, 1885 | 17.0 | 16.0 | 16.6 |
| Sept. „ | 17.1 | 15.7 | 16.5 |
| Dec. „ | 17.1 | 16.2 | 16.5 |
| March, 1886 | 17.1 | l6.2 | I6'5 |