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Ptolemaeus

Arabus et Latinus

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Oxford, Bodleian Library, Savile 17

s. XIV1. Or.: England.

Parchment, 201 f., one main hand copied f. 2-184, decorated initials. Folia are missing between f. 45-46 and between f. 174-175.

Computus, astronomy, arithmetic, astrology: table of contents, medieval (1r); computus table (1v); Petrus de Dacia, Kalendarium (2r-10r); circular diagram on planetary aspects (10v); Pseudo-Messahallah, De compositione astrolabii (11r-21v); Bartholomeus Anglicus, De proprietatibus rerum, excerpt from Book VIII ‘De spera celi. Spera celi ut dicit Ysidorus est species quedam in rotunditate formata…’ (22v-45v); Robert Grosseteste, De impressionibus aeris (46r-49v, beginning gone); Theorica planetarum Gerardi (50r-60r); Alcabitius, Introductorius (60v-94r); Ptolemaica (94r-94v); Sacrobosco, Algorismus, with comm. (94v-116r); Campanus of Novara, De quadrante (116r-122r); Sacrobosco, De sphera (122r-140v); Sacrobosco, Computus (141r-174r); Alexander of Villedieu, Massa compoti (175r-184v, beginning gone); computus ‘Filius esto Dei celum bonus accipe gratis…’ (185r-186r, added); added notes (186v); Sacrobosco, Algorismus, with comm. (192r-201v, added). Blank: 22r, 174v (incomplete astronomical diagram), 187-191.

Lit. F. Madan, H. H. E. Craster, A Summary Catalogue of Western Manuscripts in the Bodleian Library at Oxford, II.2, Oxford, 1937, 1104-1105 (no. 6563); O. Pächt, J. J. G. Alexander, Illuminated Manuscripts in the Bodleian Library, Oxford, III: British, Irish, and Icelandic Schools, Oxford, 1973, 56 (no. 614).

94r‑94v

‘Cum proiectionem radiorum stellarum scire volueris, scias gradum ascendentis — erit locus radiacionis equate. Explicit Alkabizius, id est introductorium iudiciorum astronomie.’