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Arithmetical and astronomical pieces, Made up of seven pieces written in the 12th-13th century

MS. Selden Supra 25
Held at the Weston Library

  • Request

Arithmetical and astronomical pieces:

1st half of 13th cent.: with illuminated capitals, etc., (fol. 1). 'Arismetica Boycii', i. e. Boëthii: pref. beg. 'In dandis accipiendisque muneribus': with diagrams and notes and (fol. 43) two added paragraphs. Foll. 39-44 are injured by burning.

About A. D. 1200: with illuminated capitals, diagrams, etc.; (fol. 45). 'Musica Boecij': beg. 'Omnium quidem perceptio': after fol. 75 the loss of many leaves is supplied ip a 14th cent. hand (C) which gives bk., iii, cap. 7 ('Idem vero hoc')--end of bk. v.

Early 13th cent.: with illuminated capitals:

  1. Fol. 94, 'Compositio Astrolabij secundum Hermannum 'Contractum.
  2. Fol. 90v, [Hermanni Contracti]'de utililatibus astrolabii libri ij', followed (fol. 105) by astronomical excerpts from Beda de natura rerum, etc.
  3. Fol. 106v. De abaco [with preface by Radulphus of Laon, but the rest is not certainly his. Cr.]: beg. 'Adiuuante Domino aliquid in abacum scripturi': at fol. 114 follow in different hands some notes for constructing a sundial, an astronomical globe, roofs and ceilings ('Ratio faciendorum tectorum' et laquearium: fol. 116). On fol. 115v is a diagram of musical tones for bells. Foll. 110-117 are an inserted gathering: cp. fols, 110 and 118.
  4. Fol. 118v. 'Theorica Girbertj', i. e. the Geometria of Gerbert (pope Silvester ii), as far as chapter xiii inclusive: with diagrams. On fol. 128v is an astronomical table.

Late 12th cent.: with illuminated capitals, etc.:

  1. Fol. 130. 'Liber Marciani [Capellae] de Nupciis Philologiæ' et Mercurii, a later title: with notes. These are bks. 1-2 of the whole encyclopaedia of Capella.
  2. Fol. 163. The first part of the eighth book of Capella's encyclopaedia entitled De Astronomia (beg. 'Mundus igitur ex quatuor elementis'), see MS. Auct. F. 3. 13, MS. Bodl. 430: it ceases, a leaf or two being lost, with 'Set ortum itidem uespertinum facit cum post occasum solis luminis sui'.

Early 13th cent., with coloured capitals, diagrams, etc., (fol. 175) at end: 'Finit liber Macrobii Ambrosii Theodosii viri eloquentissimi', 'de Somnio Scipionis', in two books, cf. fol. 199v: a second longer colophon is added.

2nd half of the 13th cent., (fol. 212). The De arte Computi of bp. Robert Grosseteste, here without title or author's name: beg. 'Compotus est sciencia numeracionis'; ends 'nos admonet atque Matheus': a list of the twelve chapters precedes.


  • Creation: Made up of seven pieces written in the 12th-13th century


246 Leaves

Language of Materials

  • Latin


MS. Selden Supra 25


Old Selden mark = 25

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. 3413

Custodial History

'Distinctione 13a Gradu 3a' in the library of St. Augustine's abbey at Canterbury in the 15th cent.: no. 1019 in dr. M. R. James's edition (Cambr. 1903) p. 305. Owned in the 16th cent. by 'W. Patten'.

Manuscript 3427 acquired by the Bodleian Library

Physical Facet

On parchment, binding, stamped brown leather on boards, re-backed, with clasps, middle 15th cent. work, perhaps of Canterbury


8 5/8 × 6 in.

Repository Details

Part of the Bodleian Libraries Repository

Weston Library
Broad Street
Oxford OX1 3BG United Kingdom