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
Holborn 1963
[Report of the Medical Officer of Health for Holborn Borough]
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The following tables show the monthly variation of the chemical composition of the 161 samples.
| Month | Number of Samples examined | Fat Per cent. average | Solids Non-fat Per cent. average | Total Solids Per cent. average |
|---|---|---|---|---|
| January | 14 | 3.82 | 8.80 | 12.62 |
| February | 12 | 3.71 | 8.76 | 12.47 |
| March | 11 | 3.74 | 8.66 | 12.40 |
| April | 13 | 3.68 | 8.67 | 12.35 |
| May | 10 | 3.55 | 8.56 | 12.11 |
| June | 12 | 3.45 | 8.66 | 12.11 |
| July | 11 | 3.64 | 8.67 | 12.31 |
| August | 11 | 3.84 | 8.70 | 12.54 |
| September | 12 | 3.90 | 8.66 | 12.56 |
| October | 10 | 4.00 | 8.80 | 12.80 |
| November | 11 | 3.90 | 8.62 | 12.52 |
| December | 12 | 4.01 | 8.67 | 12.68 |
| Whole year | 139 | 3.77 | 8.69 | 12.46 |
| Legal minimum | — | 3.00 | 8.50 | 11.50 |
Channel Island and South Devon Milk
| Month | Number of Samples examined | Fat Per cent. average | Solids Non-fat Per cent. average | Total Solids Per cent. average |
|---|---|---|---|---|
| January | - | - | - | - |
| February | 2 | 4.80 | 9.13 | 13.93 |
| March | 5 | 4.55 | 8.97 | 13.52 |
| April | — | — | — | — |
| May | 4 | 4.36 | 8.94 | 13.30 |
| June | 1 | 4.25 | 9.10 | 13.35 |
| July | - | - | - | - |
| August | 2 | 4.54 | 8.92 | 13.46 |
| September | 2 | 4.63 | 8.88 | 13.51 |
| October | — | — | — | — |
| November | 3 | 4.88 | 9.04 | 13.92 |
| December | 3 | 4.70 | 8.95 | 13.65 |
| Whole year | 22 | 4.59 | 8.99 | 13.58 |
| Legal minimum | — | 4.00 | 8.50 | 12.50 |