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
Croydon 1950
[Report of the Medical Officer of Health for Croydon]
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Pasteurised Milk.
| No. Samples Taken. | Methylene Blue Test. | Phosphatase Test. | ||
|---|---|---|---|---|
| Not Satisfied. | Satisfied. | Not Satisfied. | Satisfied. | |
| 251 | Nil | 177* | Nil | 251 |
| *74 Methylene Blue Tests Were Void Owing To Laboratory Temperature | ||||
Heat Treated Milk.
| No. Samples Taken. | Methylene Blue Test. | Phosphatase Test. | |
|---|---|---|---|
| Not Satisfied. Satisfied. | Not Satisfied. | Satisfied. | |
| 12 | 11 | Nil | 12 |
Sterilised Milk.
| No. Samples Taken. | Turbidity Test. | ||
|---|---|---|---|
| Not Satisfied. | Satisfied. | ||
| 11 | Nil | 11 | |