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.
Licence: In copyright
Credit: Hill with c-shaped scotoma. Source: Wellcome Collection.
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Restricted material
This image cannot be viewed online.
Wellcome Collection members can request access to restricted materials for viewing in the Library.
Email collections@wellcomecollection.org to request access to the full version.