Studies in Medieval Astronomy And Optics (Hardcover)

Contents: Preface. Astronomy and Optics: Egidius of Baisiu's theory of pinhole images; Astronomical use of pinhole images in William of Saint-Cloud's Almanach planetarum (1292). The astronomy of Levi Ben Gerson: The Latin translation of Levi ben Gerson's astronomy; Levi ben Gerson's astronomical work: chronology and Christian context; Heuristic reasoning: approximation procedures in Levi ben Gerson's astronomy; The ProvenA§al version of Levi ben Gerson's table for eclipses; Right ascensions and hippopedes: homocentric models in Levi ben Gerson's astronomy, I: first anomaly. Arabic Astronomy in Western Texts: Ibn al-Haytham's homocentric epicycles in Latin astronomical texts of the 14th and 15th centuries; On Ibn al-Kammad's table for trepidation; A note on Copernicus' 'correction' of Ptolemy's mean synodic month; Al-Bitruji's theory of the motions of the fixed stars. Addenda et corrigenda; Index.