Phosgene.

Date:
1939
Catalogue details

Licence: Public Domain Mark

Credit: Phosgene. Source: Wellcome Collection.

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    INISTRY OF LABOUR AND NATIONAL SERVICE Methods for the Detection of Toxic Substances in Air Booklet No. & PHOSGENE FOUR SHILLINGS NET j Fi, Wine ‘oho { és ae haut ¥ | <