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Translations of Arabic astrological and astronomical pieces, Written early in the 14th century

MS. Selden Supra 78

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Translations of Arabic astrological and astronomical pieces:
  1. Fol. 1. 'Centum uerba Ptholomei', the Centiloquium: with the commentary of Haly: see MS. Bodl. 472, art. 1.
  2. Fol. 25v. 'Alcabicius, Introductorius ad iudicia astrologie' (translated from the Arabic by Johannes Hispalensis), with notes: beg. 'Postulata a Domino prolixitate vite'.
  3. Fol. 51. 'Astrolabium Messe hallath', with diagrams: pref. beg. 'Scito quod astrolabium est nomen Grecum': at end 'Explicit Practica astrolabii': the author's name is usually Latinized as Messahala.
  4. Fol. 71. 'Tractatusde sp[h]era solida & de astrolabio sp[h]erico', in two parts, with diagrams: pref. beg. 'Tocius astrologie speculacionis radix': stated in MS. Ashm. 1522 to be composed in A.D. 1303. Artt. 3 and 4 are in two hands different from the rest of the volume.
  5. Fol. 86. 'Canones Azarchelis [Arzachelis] siue regule super Tabulas astronomie', in the translation of Gerardus Cremonensis, with notes (one of 1303) and diagrams: beg. 'Quoniam cuiusque actionis quantitatem'.
  6. Fol. 106v. 'Theorica' planetarum: beg. 'Circulus ecentricus dicitur uel egresse cuspidis uel egredientis centri': usually ascribed to Gerardus Cremonensis: with notes and diagrams.
  7. Fol. 114. Astronomical tables, the well-known Tabulae Toletanae, with one table for the latitude of Cremona (fol. 124v). Fols. 114, 125 follow fol. 165, and fols. 115-124 follow fol. 173.


  • Written early in the 14th century


179 Leaves


MS. Selden Supra 78


Old Selden mark = 78

Other Finding Aids

Falconer Madan, et al., A summary catalogue of western manuscripts in the Bodleian Library at Oxford which have not hitherto been catalogued in the Quarto series (7 vols. in 8 [vol. II in 2 parts], Oxford, 1895-1953; reprinted, with corrections in vols. I and VII, Munich, 1980), vol. II, no. 3466

Custodial History

A 16th cent. note about 'Valantyne Dale', D.C.L. (d. 1589), is on fol. 177v.

Manuscript 3481 acquired by the Bodleian Library

Physical Facet

On parchment, with illuminated borders, capitals, etc.


9 7/8 × 7 1/4 in.

Repository Details

Part of the Bodleian Libraries Repository

Weston Library
Broad Street
Oxford OX1 3BG United Kingdom