Left, a woman is attacked by Renwick Williams with a knife; right, a man is making "copper bottoms" for women to prevent them from being injured in an attack. Coloured etching.

Licence: Public Domain Mark

Credit: Left, a woman is attacked by Renwick Williams with a knife; right, a man is making "copper bottoms" for women to prevent them from being injured in an attack. Coloured etching. Wellcome Collection. Source: Wellcome Collection.