Promotrional photograph: British Oxygen Company, c. 1955
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Promotrional photograph: British Oxygen Company, c. 1955. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Promotrional photograph: British Oxygen Company, c. 1955. Wellcome Collection. Source: Wellcome Collection.