Plik:Nasir al-Din Tusi.jpgDescriptionNasir al-Din Tusi.jpg English: Stamp issued in 1976 by Iran picturing Nasir al-Din Tusi, astronomer فارسی: تمبر ایرانی یادبود خواجه نصیرالدین
Plik:Tusi manus.jpgtreatise explaining the importance of the astrolabe by Persian scientist Nasir al-Din al-Tusi, 1505 French Traité sur l'astrolabe par Nasir al-Din al-Tusi.
Plik:Tusi couple.jpgEnglish Tusi couple - 13th century CE sketch by Nasir al-Din Tusi. Generates a linear motion as a sum of two circular motions. Invented for Tusi's planetary