<p>This digitised material is free to access, but contains information or visuals that may:</p><ul><li>include personal details of living individuals</li><li>be upsetting or distressing</li><li>be explicit or graphic</li><li>include objects and images of objects decontextualised in a way that is offensive to the originating culture.</li></ul>By viewing this material, we ask that you use the content lawfully, ethically and responsibly under the conditions set out in our <a href="https://wellcomecollection.cdn.prismic.io/wellcomecollection/d4817da5-c71a-4151-81c4-83e39ad4f5b3_Wellcome+Collection_Access+Policy_Aug+2020.pdf">Access Policy</a>.

You must accept the terms to view the content.

Royal Sanitary Institute

Content advisory

Royal Sanitary Institute

Licence and re-use