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| First Page | Document Content | |
|---|---|---|
 Date: 2010-09-19 15:32:31Rainbow Theodoric of Freiberg Alhazen Al-Farisi Avicenna Optics Celestial spheres Refraction Kamal al-Din Science Middle Ages Kamāl al-Dīn al-Fārisī |
| First Page | Document Content | |
|---|---|---|
Date: 2010-09-19 15:32:31Rainbow Theodoric of Freiberg Alhazen Al-Farisi Avicenna Optics Celestial spheres Refraction Kamal al-Din Science Middle Ages Kamāl al-Dīn al-Fārisī |
