Content advisory
This digitised material is free to access, but contains information or visuals that may:
- include personal details of living individuals
- be upsetting or distressing
- be explicit or graphic
- include objects and images of objects decontextualised in a way that is offensive to the originating culture.
The National Society for Clean Air (NSCA)
- Date:
- 1956-1958, 1997
- Reference:
- SA/EPU/G/2/3
Licence: In copyright
Credit: The National Society for Clean Air (NSCA). Source: Wellcome Collection.
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