Aldrin and dieldrin.

Date:
[between 1940 and 1960?]
Catalogue details

Licence: Public Domain Mark

Credit: Aldrin and dieldrin. Source: Wellcome Collection.

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    uf ” - pt we Be ha Yyynith Skeeter: 2 >, d§ ¢ met | inetd sates : rota ad yas
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