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
Finchley 1911
[Report of the Medical Officer of Health for Finchley]
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56
of one or two complaints which reached me. One of the
samples taken for analysis from the main at a school in North
Finchley gave evidence of this.
Periodical analyses of the water were made during the
year. Samples are taken from the mains in various parts of
the district. All the samples shewed a high degree of organic
purity.
The following is a recent analysis of water taken from the main at the Laboratory:—
| Parts per 100,000 | |
|---|---|
| Total solids | 40 |
| Solids in suspension | nil. |
| Free ammonia | .001 |
| Albuminoid | .003 |
| Chlorine | 3.3 |
| Nitrates (as Nitrogen) | .04 |
| Oxygen absorbed in 4hrs. at 80°F | .008 |
| Total hardness | 17.0 |
| Permanent hardness | 7.0 |
| Temporary hardness | 10,0 |
| Odour when heated to 100°F | None. |
| Microscropic examination | No deposit. |
Physical Features of the District.
Finchley is situated in the County of Middlesex, and to
the north of London. It is a somewhat straggling district,
covering an area of 3,384 acres. It is bounded
on the north by Barnet;
on the south by Hampstead and St. Pancras;
on the east by Hornsey and Friern Barnet;
on the west by Hendon and Totteridge,