PAL

Ptolemaeus Arabus et Latinus

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Salamanca, Biblioteca Universitaria, 2662

Date:

s. XIVex.

 

Paper, 236 f., composite MS made of two parts, each copied by a single neat hand (f. 3-188 and 189-236), reserved initials throughout. F. 1-2 are from another MS, containing Innocent III’s sermons.

Mathematics, astronomy and optics: Sacrobosco, Algorismus (3ra-8ra); Sacrobosco, De sphera (8ra-19rb); Sacrobosco, Computus (19va-41rb); Robertus Anglicus, Quadrans vetus (41rb-47ra), with solar tables 1292-1295 (47rb-49r); Ptolemaica (49va-50va); ‘Accepturus horas cum chinlindro (!)…’ (50va-50vb); Tabula Gerlandi (51ra-51vb); Balduinus de Mardochio or Marrochio, Compotus manualis (51vb-58va); Pseudo-Robert Grosseteste, Kalendarium (59ra-65r); Tabula Gerlandi (65v-66r); Petrus de Dacia, lunar table (66v); Pseudo-Messahallah, De compositione astrolabii (67ra-84vb); Theorica planetarum Gerardi (84vb-91vb); Pseudo-Thebit Bencora, De motu octave spere (91vb-94va); Ptolemaica (94va-97va); Thebit Bencora, De recta imaginatione spere et circulorum eius diversorum (97va-99ra); Thebit Bencora (?), De quantitate stellarum et planetarum et proportione terre (99r-100va); canons Cb of Toledan tables ‘Quoniam cuiusque actionis quantitatem…’ (100vb-125rb); two tables, added by a 15th-c. hand (125v); Toledan tables (126r-188v); Roger Bacon, De perspectiva (189ra-196va); Roger Bacon, excerpta varia ‘Ostensum est in principio Compendii philosophie quod necessarium est Latinis…’ (197ra-213ra); Roger Bacon, De multiplicatione specierum, incomplete (213rb-235ra); scattered notes (235v and 326v) and table of contents (236v) added by a 15th-c. hand. Blank: 236r.

Bibl. A. Cordoliani, ‘Inventaire des manuscrits de comput ecclésiastique conservés dans les bibliothèques de Madrid’, Hispania Sacra 7 (1954), 111-143: 134-139 (no. 529); G. Beaujouan, Manuscrits scientifiques médiévaux de l’Université de Salamanque et de ses «Colegios Mayores», Bordeaux, 1962, 174-178; D. C. Lindberg, Roger Bacon’s Philosophy of Nature. A Critical Edition, with English Translation, Introduction, and Notes of De multiplicatione specierum and De speculis comburentibus, Oxford, 1983, lxxvi; F. S. Pedersen, Petri Philomenae de Dacia et Petri de S. Audomaro opera quadrivalia, København, 1983-1984, I, 288-289; Catálogo de manuscritos de la Biblioteca Universitaria de Salamanca, II: Manuscritos 1680-2777, Salamanca, 2002, 1055-1059; H. Zepeda, The First Latin Treatise on Ptolemy’s Astronomy: The Almagesti minor (c. 1200), Turnhout, 2018, 73.

49va–⁠50va

‘Incipit opus armillarum. <Q>ueruntur primo due armille convenientis mensure — (50rb) vicinior est consideratio. Opus instrumenti declinationis Solis. <S>ume laterem ligneum vel lapideum — si Solis umbram in omni meridie circa utrumque maxime solstitium observaberis vel observaberi.’

= Almagesti minor (C.1.4)

, excerpts on instruments from V.1, I.15 and V.11. No glosses.
94va–⁠97va

‘Incipit liber Thebith ben Chorath de his que indigent expositione antequam legatur Almagesti. <E>quator diei est circulus maior qui describitur super duos polos orbis ― aut propinqui oppositi erunt retrogradi. Expletus est liber Thebith filii Core de his que indigent expositione antequam legatur Almagesti.’

= Thebit Bencora, De hiis que indigent expositione antequam legatur Almagesti (C.1.1)

. No glosses.