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 St. Pancras, London, Borough of]
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APPENDIX B.
Result OF Bacteriological Examinations of "NURSERY MILKS."
Consecutive No. | Volume of apparent filth per million | Nature of Filth. | The degree of acidity per cent. | Number of living micro-organisms per c.c. on gelatine at 20 deg. c. |
---|---|---|---|---|
1 | 80 | A few pus cells and threads. No streptococci, no tubercle bacilli | .189 | 217,093,000 |
2 | 45 | No pus cells, no streptococci, no tubercle bacilli | .235 | 3,296,000 |
3 | 100 | A large number of pus cells, streptococci and tubercle bacilli present; some threads and a piece of leaf | .18 | 2,522,866,000 |
4 | 40 | No pus cells, no streptococci, no tubercle baccilli | .188 | 161,769,300 |
5 | 60 | No pus, no streptococci, no tubercle bacilli; a small amount of dirt | .174 | 129,464,000 |
6 | 50 | Pus and streptococci. No tubercle baccili | .192 | 4,521,504,000 |
30 | A few cells. No streptococci, no tubercle bacilli | .288 | 1,023,433,000 | |
8 | 40 | Streptococci present. No pus, no tubercle bacilli | .196 | 2,114,564,000 |
9 | 20 | Pus and streptococci present. No tubercle bacilli | .202 | 46,951,900,000 |
10 | 20 | Pus and streptococci present. No tubercle bacilli | .184 | 10,362,300,000 |
11 | 20 | Pus and streptococci present; some threads. No tubercle bacilli | .23 | 11,530,000,000 |
12 | 50 | Pus and streptococci present. No tubercle bacilli | .174 | 11,111,000,000 |
13 | 20 | A small amount of dirt. No pus, no streptococci, no tubercle bacilli | .166 | 117,278,600,000 |
14 | 50 | A few pus cells and streptococci longus. No tubercle bacilli | .172 | 53,870,600,000 |