Licence: In copyright
Credit: SM safety hints & tips / GMFA ; photograph by Richard Sawdon Smith. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/b28663676_0002.jp2/full/800%2C/0/default.jpg)
Licence: In copyright
Credit: SM safety hints & tips / GMFA ; photograph by Richard Sawdon Smith. Source: Wellcome Collection.