Report on the bed-bug.

  • Great Britain. Ministry of Health
Date:
1934
Catalogue details

Licence: Public Domain Mark

Credit: Report on the bed-bug. Source: Wellcome Collection.

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    White amorphous powder. Sodium silico-fluoride. Yellow fibrous powder. Apparently powdered derris root or similar substance. Light brown powder with an odour of spice. Borax + pyrethrum and possibly a little derris root. Cream coloured powder with strong odour of menthol. Borax + menthol + powdered derris root or similar substance.
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