A catalogue of Western manuscripts at the Bodleian Libraries and selected Oxford colleges

MS. Bodl. 491

Summary Catalogue no.: 2083

Contents

Language(s): Latin

Fol. v verso: 15th-century list of contents.

1.
Johannes de Sacro Bosco, Algorismus
Rubric: Hic incipit Algorismus
Incipit: Omnia que a primeua rerum origine
Final rubric: Explicit Algorismus compendiose compilatus
2. (fol. 8v)
Johannes de Sacro Bosco, Tractatus de sphaera
Rubric: Hic incipit tractatus de Spera

The diagrams are not filled in.

3. (fol. 22v)
Theorica planetarum
Rubric: Incipit theorica planetarum ...
Incipit: Circulus ecentricus

The diagrams are not filled in.

4.
(fol. 32)
Rubric: Canones super tabulas Alfonsi principis illustris regis Castelle compositas ad meridiem Tholeti ...
(fols. 41-64)
Tabulae Alphonsi regis
5. (fol. 65)
Alcabitius, Liber introductorius (tr. John of Seville)
Rubric: In nomine Domini Incipit liber introductorius Alkabucii in iudicijs astronomie quem interpretatus est Johannes Hispanicus ad Seydule regem
Incipit: ⟨P⟩ostulata a domino prolixitate vite teysanda dula id est gaudii regni
6. (fol. 97)
Tables and text on the Zodiac

Tables relating to the twelve signs of the Zodiac, with notes on their astrological importance and significance

Incipit: Aries habet faciem et caput
eTK 0133C.01*
7.
Thebit ben Corat
(fol. 102v)
De recta imaginatione spherae
Rubric: Incipit liber Thebit de ymaginacione Spere et circulorum eius diuersorum
(fol. 105)
De motu octauae spherae
Rubric: Thebit de motu 8e spere
(fol. 109v)
De quantitate stellarum
Rubric: Liber Thebit de quantitatibus stellarum et planetarum et terre'
(fol. 111v)
De hiis quae indigent expositione antequam legitur Almagestum
Rubric: Liber Thebit Benchorach de hijs que indigent exposicione antequam legatur Almagesti
8. (fol. 116v)
Petrus de Dacia, Commentary on Johannes de Sacro Bosco, Algorismus
Rubric: Incipit Exposicio magistri Petri de Dacia super tractatum Algorismi
Incipit: Omnia que a primeua rerum, etc. In hoc tractatu determinatur

Physical Description

Form: codex
Support: parchment
Extent: v + 170 leaves
Dimensions (leaf): 9.25 × 7 in.

History

Origin: 14th century, late ; English

Provenance and Acquisition

'Thys ys Wylliam Smetheys [?] hond of Haukynge chanham [?]' (fol. 166), 16th cent.: cf. fol. 169.

'THo. Allen. D.[ono] D.[edit],' in 1601.

Record Sources

Description adapted (May 2020) from the Summary Catalogue (1922).

Last Substantive Revision

2020-05-07: Description revised to incorporate all information in SC.