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 Hornsey, Borough of]
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Dates of Treatment | 1st February—14th March | 5th July—29th September | ||
---|---|---|---|---|
Sewer treated | Soil | Surface water | Soil | Surface water |
Bait and poison used | Soaked bread and arsenic | Sausage rusk and zinc phosphide | Sausage rusk and zinc phosphide | Sausage rusk and zinc phosphide |
No. of manholes baited ... | 1,152 | 79 | 1,112 | 38 |
No. of manholes showing complete prebait take | 409 | 7 | 300 | 2 |
No. of manholes showing partial prebait take | 83 | 8 | 120 | 3 |