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

Battersea 1949

[Report of the Medical Officer of Health for Battersea Borough]

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Table: The average composition of the 411 samples of milk reported as genuine, proved to be as under:—

The average composition of the 411 samples of milk reported as genuine, proved to be as under:—

Total milk solids12.43 per cent.
Milk fat3.62 "
Non-fatty solids8.81 "

Table: The Analyst reports that the content of milk fat in these 411 samples ranged as follows:—

The Analyst reports that the content of milk fat in these 411 samples ranged as follows:—

4 per cent. and over42samples or 10.2 per cent.
Between 3.9 and 4.0 per cent.18„ „ 4.4 „
„ 3.8 „ 3.9 „32„ „ 7.8 „
„ 3.7 „ 3.8 „48„ ,, 11.7 ,,
„ 3.6 „ 3.7 „73„ „ 17.8 „
„ 3.5 „ 3.6 „79„ „ 19.2 „
„ 3.4 „ 3.5 „62„ „ 15.1 „
„ 3.3 „ 3.4 „39„ „ 9.5 „
„ 3.2 „ 3.3 „10„ „ 2.4 „
„ 3.1 „ 3.2 „7„ „ 1.7 „
„ 3.0 „ 3.1 „1„ „ 0.2 „
411100.0

Table: The following action was taken in regard to the 12 formal samples certified as adulterated

The following action was taken in regard to the 12 formal samples certified as adulterated

Nos. 290, 291, 293, 295, 296Milk—2 per cent, deficient in milk fat.Cautionary letters.
Nos. 292, 294Milk—3 per cent, deficient in milk fat.
No. 357Milk—1 per cent, extraneous water.No action on advice of Public Analyst.
No. 360Milk—2½ per cent, extraneous water.Ditto.
No. 441Malt vinegar—80 per cent. deficient in acetic acid.Cautionary letter.
No. 472Milk—2 per cent. extraneous water.Cautionary letter.
No. 584Non-brewed vinegar—5 per cent. deficient in acetic acid.Cautionary letter.

Table: Heat Treated Milk. Samples of heat treated milk are taken at regular intervals for submission to the Public Analyst for the prescribed tests, and during the year samples as under were taken with the results set out:—

Heat Treated Milk. Samples of heat treated milk are taken at regular intervals for submission to the Public Analyst for the prescribed tests, and during the year samples as under were taken with the results set out:—

PhosphataseMethylene SatisfactoryBlue FailedTurbidity*
SatisfactoryFailedSatisfactoryFailed
Pasteurised20-173--
Heat Treated37-352--
Sterilised16-16-6-

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* This test did not come into operation until 1st October.
Monthly returns of the samples taken, and of the results of the
examinations, are sent to the Milk Division of the Ministry of Food,
and they are at once notified of any adverse report.