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 Stepney]
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BUG DISINFESTATION CHAMBER FOR HYDRO-CYANIC FUMIGATION SHOWING EXTRACTION KAN AND AIR DUCTS. THE CHAMBER
ACCOMMODATES FURNITURE vAN COMPLETE WITH FURNITURE AND IS FITTED WITH A. GAS-TIGHT DOOR AND INSPECTION WINDOWS.