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 London County Council]
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Table I
Results of the Examination of the Air of the Central London Railway.
No. | Date, 1902. | Place. | Time. | Inside tube. | Outside tube. | Organic matter, grammes of oxygen absorbed by 100,000 cubic centimetres of air. | Percentage of humidity. | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature in Centigrade degrees. | Barometrical pressure. | Carbon dioxide per cent. by volume. | Temperature in Centigrade degrees. | Barometrical pressure. | Carbon dioxide per cent. by volume. | ||||||||
Inside tube. | Outside tube. | Inside tube. | Outside tube. | ||||||||||
1 | March 10 | Oxford.circus station Down line | 11.35 a.m. | 19 | 768 | 0.105 | 8 | 767 | 0.035 | ||||
2 | „ 12 | Oxford.circus station Up line | 11.15 „ | 19 | 772 | 0.097 | 10 | 772 | 0042 | 0.0056 | |||
3 | „ 14 | *Post Office station Down line | 11.30 „ | 19 | 769 | 0.090 | 13 | 767 | 0.038 | 0.0019 | 0.0020 | ||
4 | „ 15 | British Museum station Up line | 11.30 „ | 17 | 767 | 0.076 | 13 | 764 | 0.036 | ||||
5 | ,, 17 | *Post Office lift | 11.45 „ | 16 | 775 | 0.109 | 14 | 775 | 0.043 | 0.0028 | 0.0024 | ||
6 | „ 18 | Bond.street station Down line | 11.35 „ | 18 | 772 | 0.094 | 13 | 772 | 0.043 | 0.0082 | 0.0015 | ||
7 | „ 19 | Marble.arch station | 11.55 „ | 19 | 767 | 0092 | 15 | 764 | 0.043 | 0.0021 | 0.0061 | ||
8 | „ 20 | Lancaster.gate station „ | 3.20 p.m. | 19 | 752 | 0.074 | 10 | 750 | 0.033 | ||||
9 | ,, 21 | * Carriage Up line | 11.40 a.m. | 21 | 751 | 0.108 | 10 | 747 | 0.045 | 0.0026 | 0.0011 | ||
10 | „ 22 | Queen's.road station Down line | 11.30 „ | 19 | 751 | 0.096 | 13 | 749 | 0.037 | ||||
11 | „ 24 | Notting.hill.gate station „ | 12.5 p.m. | 18 | 758 | 0.083 | 10 | 756 | 0.045 | 0.0007 | 0.0016 | ||
12 | „ 25 | Bank station „ | 11.0 a.m. | 19 | 760 | 0.105 | 10 | 758 | 0.043 | 0.0018 | 0.0015 | ||
13 | „ 26 | Holland.park station ,, | 11.55 „ | 17 | 771 | 0.077 | 10 | 769 | 0.044 | 0.0007 | 0.0026 | ||
14 | „ 27 | Shepherd's.bush station Up line | 12.50 p.m. | 18 | 765 | 0.079 | 15 | 703 | 0.038 | 0.0029 | 0.0014 | ||
15 | April 2 | Shepherd's.bash station Down line | 12.30 „ | 19 | 767 | 0.075 | • • • | • • • | 0.038 | 0.0027 | 0.0007 | ||
16 | „ 3 | Chancery.lane station Up line | 11.40 a.m. | 18 | 764 | 0.085 | 12 | 762 | 0.045 | 0.0016 | 0.0017 | ||
17 | „ 4 | *Tunnel Downline | 11.50 „ | 19 | 769 | 0.082 | 11 | 767 | 0.037 | 0.0010 | 0.0006 | ||
18 | „ 5 | Holland.park station Up line | 11.45 „ | 16 | 766 | 0.063 | 10 | 762 | 0.038 | ||||
19 | „ 7 | Notting.hill.gate station „ | 12.5 p.m. | 18 | 779 | 0.067 | 9 | 776 | 0.038 | ||||
20 | „ 8 | *Carriage Downline | 2.50 „ | 20 | 775 | 0.111 | 7 | 773 | 0.036 | 0.0027 | 0.0018 | ||
21 | „ 10 | Queen's.road station Up line | 12.5 „ | 18 | 772 | 0.067 | 11 | 770 | 0.036 | 0.0005 | 0.0014 | ||
22 | „ 11 | * Hank station Downline | 5.0 „ | 19 | 769 | 0.103 | • • • | • • • | • • • | 0.0012 | 0.0023 | ||
23 | ,, 14 | Lancascer.gate station Up line | 12.35 „ | 18 | 769 | 0.082 | 13 | 767 | 0.048 | 0.0015 | 0.0027 | ||
24 | „ 15 | Marble.arch station | 12.30 „ | 19 | 756 | 0.086 | 14 | 753 | 0.049 | 0.0029 | 0.0012 | ||
25 | „ 16 | Bond.street station „ | 12.40 „ | 18 | 762 | 0.087 | 13 | 760 | 0.033 | 0.0050 | 0.0081 | 63.8 | 60.1 |
26 | „ 17 | Oxford.circus station „ | 12.35 „ | 19 | 763 | 0.095 | 17 | 761 | 0.032 | 0.0016 | 0.0031 | 67.4 | 59.0 |
27 | „ 18 | Carriage Down line | 12.10 „ | 20 | 765 | 0.106 | 14 | 764 | 0.034 | 0.0106 | 0.0005 | 64.1 | 71.5 |
28 | „ 22 | Tottenham.court.road station | 11.30 a.m. | 19 | 753 | 0.107 | 13 | 752 | 0.035 | 0.0021 | 0.0035 | 73.3 | 87.1 |
29 | „ 23 | •British Museum station | 11.30 „ | 18 | 760 | 0.107 | 15 | 758 | 0.042 | 0.0011 | 0.0014 | 73.2 | 57.8 |
30 | „ 24 | Tottenham.court.road station Up line | 12.25 p.m. | 20 | 767 | 0.094 | • • • | • • • | • • • | 0.0009 | 0.0018 | 64.1 | 49.5 |
31 | „ 25 | Carriage Down line | 11.45 a.m. | 20 | 766 | 0.118 | 18 | 765 | 0.046 | 0.0014 | 0.0024 | 60.2 | 48.5 |
32 | ,, 28 | Chancery.lane station „ | 11.40 „ | 18 | 768 | 0.103 | 12 | 766 | 0.039 | 0.0017 | 0.0011 | 55.5 | 50.6 |
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