bluecrowcafe:George Mayerle’s eye test chart, ca 1907 designed so that people of many nationalities
bluecrowcafe:George Mayerle’s eye test chart, ca 1907 designed so that people of many nationalities could use it -- source link
#george mayerle#german#eye-test charts#illustrations#vision tests#lithographs#international#optometry#lithography#multilingual#c. 1907#photosets#art