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 1954
[Report of the Medical Officer of Health for Mitcham]
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Twenty-five samples of ice-cream were taken and examined for bacteriological purity. Eight samples were also tested for fat content. The results are tabulated below:—
| Provisional Grade | ||||
|---|---|---|---|---|
| I | II | Ill | IV | |
| Coliforms absent | 12 | 4 | 3 | — |
| Coliforms present in 1/10h ml | 2 | — | 4 | — |
| Fæal coli present (in addition to above) | - | - | - | - |
Fat Content
3 4 5 6 7
per cent. per cent. per cent. per cent. per cent.
8 9 10 11 12
per cent. per cent. per cent. per cent. per cent.
1 3 1 2 —
Bacteriological Examination of Cups and Glasses
Seventy-three swabs were taken from tea cups at various catering
establishments and thirteen 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:—
T ea C up S wabs.
| Colony Count (per cup) | Coliforms | Fæcal Coli | Result | |||
|---|---|---|---|---|---|---|
| Satisfactory. | Unsatisfactory. | |||||
| Present. | Absent. | Present. | Absent. | |||
| Under 100 | 1 | 42 | - | 1 | 43 | - |
| 100-200 | 1 | 8 | - | 1 | - | 9 |
| 200-500 | 1 | 6 | - | 1 | - | 7 |
| 500-1,000 | - | 4 | - | - | - | 4 |
| 1,000-1,500 | - | - | - | - | - | - |
| 1,500-2,000 | - | - | - | - | - | - |
| 2,000 and over | 2 | 8 | - | 2 | - | 10 |
| Total | 5 | 68 | - | 5 | 43 | 30 |
| Beer Glass Swabs (per glass). | ||||||
| Under 100 | 1 | 7 | - | 1 | 8 | - |
| 100-200 | - | 1 | - | - | - | 1 |