George Mayerle’s eye chart featuring characters in English, Chinese, Japanese and Russian, as well as symbols for children or illiterate adults, 1907 (via The Verge)
"Across the bottom, boxes test for color vision, a feature intended especially (according to one advertisement) for those working on railroads and steamboats." Read all about it.
Have you ever seen another infographic that features both Cher and C. Everett Coop? DIDN’T THINK SO.
Tibetan Medical Thangka (source: amnh.org)