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 1902
[Report of the Medical Officer of Health for London, City of ]
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LEIGH-ON-SEA COCKLES—continued.
| No. of sample. | Date of collection or receipt of samples. | Where obtained. | Original source. | If relaid in Leigh Creek. | Cooked or Uncooked. | Result of Dr. Klein's examination. |
|---|---|---|---|---|---|---|
| 1903. | ||||||
| *24 | 20th Jan. | Leigh Creek. Sent by Fishmongers' Company. | (?) | Yes, for 4 weeks. | Strongly contaminated; abundant bacillus coli communis. | |
| *25 | „ „ | Ditto | (?) | Ditto | Put in boiling water and boiled lor minutes. | Negative. |
| 26 | 18th „ | Sent by Fishmongers' Company. | Maplins | No | Put in boiling water and taken out as water boiled over; time in water 3½ minutes. | Ditto. |
| 27 | 20th „ | Leigh Creek. Sent by Fishmongers' Company. | (?) | Yes, for 4 weeks. | Put in boiling water and taken out when the water boiled over; time in water 3¾ minutes. | Ditto. |
| 28 | „ „ | Ditto | (?) | Ditto | Uncooked | Strongly polluted; abundant bacillus coli communis. |
| 29 | „ „ | Sent by Fishmongers' Company. | Lower part of the Blythe. | No | Put in boiling water and taken out when the water boiled over; time in water 3¼ minutes. | Slightly polluted with bacillus coli communis. |
| 30 | „ „ | Ditto | From Jenkin, opposite the Isle of Grain (continuation of Blythe Sands). | No | Ditto | Negative (?) |
* In these cases the water was actually boiling for the period mentioned.