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
Sutton and Cheam 1946
[Report of the Medical Officer of Health for Sutton and Cheam]
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2. Tuberculin Tested (Pasteurised) Milk
| Number of Samples | Phosphatase Test | Methylene Blue (Reductase) Test | ||
|---|---|---|---|---|
| Satisfactory | Unsatisfactory | Satisfactory | Unsatisfactory | |
| 5 | 5 | - | 5 | - |
3. Tuberculin Tested Milk
| Number of Samples | Coliform Test | Methylene Blue (Reductase) Test | ||
|---|---|---|---|---|
| Negative | Positive | Satisfactory | Unsatisfactory | |
| 1 | 1 | - | 1 | - |
4. Ungraded Milk
| Number of Samples | Total Bacteria per Mililitre | Coliform Test | Methylene Blue (Reductase)Test | |||
|---|---|---|---|---|---|---|
| Under 50,000 | 150,000-200,000 | Negative | Positive | Satisfactory | Unsatisfactory | |
| 3 | 2 | 1 | 1 | 2 | 3 | - |
In the case of the two unsatisfactory samples examined
by the Methylene Blue (Reductase) Test, both were of
Heat Treated milk, one being decolourised in five minutes
and the second at the end of fifteen minutes. Subsequent
sampling of milk from the same source proved to be
satisfactory.
ICE CREAM
At the end of 1946, 106 premises had been registered in
accordance with Section 14 of the Food and Drugs Act,
1938. On eight of these premises ice cream could be
manufactured.
19.