PAL

Ptolemaeus Arabus et Latinus

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Oxford, Bodleian Library, Canon. Misc. 61

s. XV.

Parchment, 136 f., a single neat hand.

Astronomy: Pseudo-Messahallah, De compositione astrolabii (1r-8v); Ptolemaica (9r-11r); ‘Opus quorundam rotarum mirabilium quibus sciuntur vera loca omnium planetarum etiam hore dierum ac noctuum (!). Fiat columpna et locetur in congrua basi…’ (11r-11v); Robert of Chester, De officio astrolabii ‘Incipit liber de officio astrolabii secundum magistrum Robertum Cestrensem. De gradiis Solis per diem et diei per gradum inventione. Si gradum Solis inveniatur in singulis diebus anni per astrolabium…’ (12r-22v); ‘Incipit canon super chilindrum. Accepturus horas cum chilindro…’ (23r); Albategni, De scientia astrorum, incomplete (23r-134v). Blank: 135r-136v.

Bibl.

H. O. Coxe, Catalogi codicum manuscriptorum Bibliothecae Bodleianae, III: Codices Graecos et Latinos Canonicianos complectens, Oxford, 1854, 473-474; H. Zepeda, The First Latin Treatise on Ptolemy’s Astronomy: The Almagesti minor (c. 1200), Turnhout, 2018, 72.

9r–⁠11r

‘Incipit opus armillarum. Rubrica. <Q>ueruntur primo 2 convenientis mensare (!) armille — (9v) vicinior vero est consideratio. Explicit opus armillarum. Incipit opus instrumenti declinationis Solis. <S>ume laterem ligneum vel lapideum — (10r) si Solis umbram in omni meridie circa utrumque maxime solsticium observaveris. Opus instrumenti quo latitudo Lune et distantia centri Lune a terra deprehenditur. <S>umantur 3 regule recte et planissime — arcus inquam deprehensue (!) inter locum latitudinis Lune et visum locum Lune.’

= Almagesti minor (C.1.4). No glosses.