Medieval urine wheel. Labelled in Latin, this 15th century diagram shows some of the possible colours of urine (outer edge of circle) to help doctors

---

Medieval urine wheel. Labelled in Latin, this 15th century diagram shows some of the possible colours of urine (outer edge of circle) to help doctors diagnose urine-related diseases. Artwork from Fasciculus Medicinae, a collection of medieval medical manuscripts, published in Europe, that date from 1491.

---

Size: 3193px × 3315px
Photo credit: © SHEILA TERRY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1900s, 1920s, 1926, 20th, adult, audio-visual, baird, black--white, britain, british, caucasian, century, communication, communications, disc, early, england, english, europe, european, face, head, historical, history, human, image, john, kingdom, lines, logie, male, man, mechanical, monochrome, nipkow, people, person, photograph, science, screen, technological, technology, television, tv, uk, united