https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13987178
A sick man projects his tongue while a doctor takes his pulse and times it with a sand-glass, a woman looks on over the chair-back. Coloured lithograph.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use