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
Mitcham 1953
[Report of the Medical Officer of Health for Mitcham]
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Provisional Grade.
| I | II | III | IV | |
|---|---|---|---|---|
| Coliforms absent | 20 | — | — | — |
| Coliforms present in l/10th ml | 15 | 1 | 4 | — |
| Fæecal coli present (in addition to above) | — | — | — | — |
Fat Content
| 3-4 per cent. | 4-5 per cent. | 5-6 per cent. | 6-7 per cent. | 7-8 per cent. |
| — | — | — | — | 2 |
| 8-9 per cent. | 9-10 per cent. | 10-11 per cent. | 11-12 per cent. | 12-13 per cent. |
| 1 | 2 | 1 | 1 | — |
Bacteriological Examination of Cups and Glasses.
Eighty-two swabs were taken from tea cups at various
catering establishments and twenty-eight swabs were taken
from beer glasses at various public houses during the year, and
were submitted to the Public Health Laboratory for bacteriological
examination. The results are tabulated below:—
Tea Cup Swabs.
| Colony Count (per cup) | Coliforms. | Faecal Coli. | Satisfactory. | Unsatis factory | ||
|---|---|---|---|---|---|---|
| Present. | Absent. | Present. | Absent. | |||
| Under 100 | 3 | 49 | — | 3 | 52 | — |
| 100-200 | 8 | 4 | — | 3 | — | 7 |
| 200-500 | 4 | 9 | 1 | 3 | — | 13 |
| 500-1,000 | 1 | 1 | — | 1 | — | 2 |
| 1,000-1,500 | 2 | 2 | — | 2 | — | 4 |
| 1,500-2,000 | — | 2 | — | — | — | 2 |
| 2,000 and over | 1 | 1 | — | 1 | — | 2 |
| Total | 14 | 68 | 1 | 13 | 52 | 30 |
| Beer Glass Swabs. | ||||||
| (Per Glass) | ||||||
| Under 100 | — | 15 | — | — | 15 | — |
| 100-200 | 1 | — | — | 1 | — | 1 |
| 200-500 | 1 | 1 | 1 | — | — | 2 |
| 500-1,000 | — | 1 | — | — | — | 1 |