Celestial globe by Yunus ibn al-Husayn al-Asturlabi, earliest known example in Middle East, possibly from Isfahan, AD 1144-1145, tb0520184996.jpg
Celestial globe by Yunus ibn al-Husayn al-Asturlabi, earliest known example in Middle East, possibly from Isfahan, AD 1144-1145, tb0520184996.jpg