Left, an "iron maiden" with its doors secured; middle, a blindfolded prisoner is forced to kneel down before the "iron maiden" in a dungeon; right, an "iron maiden" with its doors open. Etching.

Licence: Public Domain Mark

Credit: Left, an "iron maiden" with its doors secured; middle, a blindfolded prisoner is forced to kneel down before the "iron maiden" in a dungeon; right, an "iron maiden" with its doors open. Etching. Wellcome Collection. Source: Wellcome Collection.