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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Consecutive No. | Volume of apparent filth per million. | Nature of Filth. | The degree of acidity per cent. | Number of living micro-organisu.s per c.c. on gelatine at 20 deg. c. |
---|---|---|---|---|
40 | Pus present. No streptococci, no tubercle bacilli | .18 | 81,689,000,000 | |
16 | 80 | A few pus cells, a great deal of debris and threads. No streptococci or tubercle bacilli | .198 | 62,442,400,000 |
50 | A great deal of dirt and debris; streptococci and a little pus present. No tubercle bacilli present | .206 | 103,164,000,000 | |
18 | 40 | No pus, no streptococci, no tubercle bacilli | 16 | 51,329,700,000 |
19 | 60 | A few pus cells. No streptocoui or tubercle bacilli | .18 | 80,600,200,000 |
20 | 60 | A large number of pus cells, streptococci and tubercle bacilli present | .164 | 38,052,000,000 |
21 | 70 | Pus present. No streptococci, no tubercle bacilli | .176 | 195,030,800,000 |
22 | 30 | A large number of pus cells; a few hairs. No streptococci or tubercle bacilli | .212 | 45,715,300,000 |
23 | 60 | No pus, streptococci, or tubercle bacilli | .182 | 7,238,300,000 |
24 | 40 | Pus present. No streptococci or tubercle bacilli | .192 | 28,794,300,000 |
25 | 40 | Pus and streptococci present No tubercle bacilli | .164 | 45,828,000,000 |
26 | 30 | Nil. No pus, streptococci or tubercle bacilli | .232 | 39,886,200,000 |
60 | Nil. No pus, streptococci or tubercle bacilli | .16 | 13,047,500,000 | |
28 | 40 | Nil. No pus, streptococci or tubercle bacilli | .174 | 29,498,300,000 |
29 | 70 | A very few pus cells. No streptococci or tubercle bacilli | .172 | 31,369,000,000 |
30 | 20 | Nil. No pus, streptococci or tubercle bacilli | .169 | 24,094,000,000 |