Ship fumigation using hydrogen cyanide: an operator pouring cyanide solution into a funnel. Photograph by P. G. Stock, 1900/1920.
- Stock, P. G.
- Date:
- 1900-1920
- Reference:
- 566989i
Licence: Public Domain Mark
Credit: Ship fumigation using hydrogen cyanide: an operator pouring cyanide solution into a funnel. Photograph by P. G. Stock, 1900/1920. Wellcome Collection. Source: Wellcome Collection.