Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Holborn Borough]
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42
No. 1. Fat Content.
Number of .Samples.
| Percentage of Fat | Number of Samples. | ||||
|---|---|---|---|---|---|
| Shops. | Restaurants. | Streets. | School. | Total | |
| Less than 3.0 | 2 | ... | 1 | ... | 3 |
| 3.1 | 3 | 1 | ... | ... | 4 |
| 3.2 | 11 | ... | 3 | ... | 14 |
| 3.3 | 18 | 2 | 4 | ... | 24 |
| 3.4 | 7 | 1 | 7 | ... | 15 |
| 3.6 | 17 | ... | 4 | 1 | 22 |
| 3.6 | 12 | 1 | 3 | ... | 16 |
| 3.7 | 6 | 1 | 1 | ... | 8 |
| 3.8 | 12 | ... | 1 | ... | 13 |
| 3.9 | 6 | ... | 1 | ... | 7 |
| 4.0 | 2 | ... | ... | ... | 2 |
| 4.1 | 1 | ... | ... | ... | 1 |
| 4.3 | 1 | ... | ... | ... | 1 |
| 4.8 | 2 | ... | ... | ... | 2 |
| Total Samples | 100 | 6 | 25 | 1 | 132 |
| Average fat content | 3.52% | 3.40% | 3.40% | 3.5% | 3.50% |
No. 2. Monthly Variation of Chemical Composition of Milk, 1936.
| Month. | Number of Samples examined. | Total Solids. Per cent. Average. | Solids Non-fat. Per cent. average. | Fat. Per cent. average. |
|---|---|---|---|---|
| January | 14 | 12.65 | 9.09 | 3.56 |
| February | 13 | 12.51 | 9.11 | 3.40 |
| March | 10 | 12.62 | 9.12 | 3.50 |
| April | 14 | 13.17 | 9.58 | 3.59 |
| May | 8 | 12.35 | 9.05 | 3.30 |
| June | 8 | 12.49 | 8.92 | 3.40 |
| July | 8 | 12.52 | 8.91 | 3.61 |
| August | 13 | 12.24 | 8.87 | 3.37 |
| September | 17 | 12.47 | 8.91 | 3.56 |
| October | 17 | 12.18 | 8.43 | 3.75 |
| November | 7 | 12.57 | 8.94 | 3.63 |
| December | 3 | 12.30 | 8.94 | 3.36 |
| Whole year | 132 | 12.50 | 8.99 | 3.50 |
| Legal minimum | ... | 11.50 | 8.50 | 3.00 |