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 Willesden]
This page requires JavaScript
Table No. 33.
SHOWING RESULTS OF INSPECTION OF MANHOLES IN WILLESDEN, 1905—1909.
Date. | Total Inspections. | Drains choked at Interceptor. | Percentage. | Stoppers of raking arm missing. | Percentage. |
---|---|---|---|---|---|
October, 1905 | 6,745 | 288 | 4.25 | 654 | 9.7 |
January, 1906 | 504 | 49 | 9.7 | 41 | 8.1 |
November, 1906 | 5,322 | 204 | 3.8 | 266 | 5.0 |
Various dates, 1907 | 1,227 | 119 | 9 .7 | 33 | 2.7 |
„ „ 1908 | 5,548 | 190 | 34 | 83 | 1.5 |
„ „ 1909 | 6,144 | 158 | 2.6 | 110 | 1.8 |
Total | 25,490 | 1,008 | 3.9 | 1,187 | 4.6 |