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
City of London 1906
[Report of the Medical Officer of Health for Port of London]
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TABLE XXIII.—
| Number. | I Where taken. | Date. | High water London Bridge. | Time. | nh3 | Alb. nh3 | o Absbd, | no3 | CI. | NaCl. | Solids. | Remarks. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25 | Half.way between Southend Pier and Shoebury Buoys. | 29th Oct., 1906. | Noon. | 1.15 p.m. | 0.037 | 0.009 | Grains per gallon. | 2,211.0 | 2,572.0 | Fairly clear. (Ebb.) No perceptible smell. | ||
| — | — | 1,342.0 | ||||||||||
| 26 | Half.way between West and Middle Shoebury Buoys. | Do. | Do. | 1.30 p.m. | 0.034 | 0.009 | — | — | 1,331.0 | 2,194.0 | 2,514.0 | Ditto. (Ebb). |
| 27 | Sharfleet Creek | 20th Oct., 1906. | 3.27 p.m. | 1.15 p.m. | 0.017 | 0 0095 | — | — | 1,327.0 | 2,187.0 | 2,323.0 | Slightly turbid. No smell. (Ebb). |
| 28 | Entrance to Stangate Creek, astern of torpedo boats. | 28th Sept., 1906. | 10.14 a.m. | 2.35 p.m. | 0.034 | 0.011 | — | — | 1,322.0 | 2,179.0 | 2,507.0 | Fairly clear. No perceptible smell. |
| 29 | 200 yards above Minster Outfall. | 13th Dec., 1906. | 11.32 a.m. | 1.10 p.m. | 0.003 | 0.007 | — | — | ] ,240.0 | 2,043.4 | 2,341.0 | Slightly turbid. No smell. |
| 30 | Effluent from Minster Outfall | Do. | Do. | 1.25 p.m. | 0.019 | 0.014 | — | — | 1,257.4 | 2.072.1 | 2,343.0 | No smell. Nearly clear. |
| 31 | 50 yards below Minster Outfall | Do. | Do. | 1.30 p.m. | 0.008 | 0.0095 | — | — | 1,267.4 | 2,088.5 | 2,395.9 | Slightly turbid. No smell. |
| 32 | Garrison Point, Sheerness | Do. | Do. | 1.35 p.m. | 0.005 | 0.010 | — | — | 1,226.6 | 2,022.9 | 2,231.0 | Ditto. |
| 33 | 800 yards below Garrison Point | Do. | Do. | 1.45 p.m. | 0.0065 | 0.0085 | — | — | 1,252.4 | 2,063.9 | 2,315.0 | Turbid. No smell. |
| 34 | One mile below Garrison Point | Do. | Do. | 1.53 p.m. | 0.0035 | 0.0085 | — | — | 1,252.4 | 2,063.9 | 2,298.0 | Ditto. |
| 35 | Nore Lightship, high water | Do. | Do. | 10.15 p.m. | 0.0005 | 0.005 | — | — | 1,366.7 | 2,252.2 | 2,531.0 | ? Pure sea water. |
| Number | Where taken. | Date, 20th Nov., 1906. High water London Bridge. 4.21 a.m., 4.46 p.m. | nh3 | Alb. nh3 | o Absbd. | NO3 | CI. | NaCl. | Solids. | Remarks. |
|---|---|---|---|---|---|---|---|---|---|---|
| Grains per Gallon | ||||||||||
| 1 | Low water, Woolwich, Mid stream | 0.1445 | 0.051 | 0.321 | 0.35 | 23.60 | 38.89 | 77.0 | Turbid. Odour absent | |
| 2 | Woolwich, two hours' flood, Mid.stream | 0.229 | 0.068 | 0.341 | 0.28 | 72.10 | 118.79 | 208 0 | Ditto. | |
| 3 | Woolwich, four hours' flood, Mid.stream | 0.255 | 0 051 | 0.386 | 0.21 | 155.4 | 256.1 | 364.0 | Ditto. | |
| 4 | Woolwich, high water, Mid.stream | 0.255 | 0.0595 | 0.393 | 0.14 | 212.10 | 352.30 | 455.00 | Ditto | |
| 5 | Low water at Greenwich, Mid.stream ... | 0.102 | 00425 | 0.305 | 0.35 | 9.40 | 15.49 | 70.0 | Ditto. | |
| 6 | High water ditto | 0.272 | 0.051 | 0.354 | 0.21 | 108.50 | 178.78 | 256.00 | Ditto. | |
| 7 | London Bridge, 2nd Arch (North side), at four hours before high water. 1 p.m. | 0.0765 | 0.051 | 0.302 | 0.28 | 2.50 | 4.12 | 450 | Ditto. | |
| 8 | London Bridge, Centre Arcli, at two hours before high water. 3 p.m. | 0.1105 | 0.068 | 0.285 | 0.35 | 15.50 | 25.54 | 78.00 | Ditto. | |
| 9 | London Bridge, Centre Abutment, at high water. 4.50 p.m. | 0.170 | 0.0595 | 0.304 | 0.28 | 41.40 | 68.21 | 124.00 | Ditto. | |