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Ptolemaeus

Arabus et Latinus

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Oxford, Bodleian Library, Auct. F.5.28

s. XIII1 (for part I; part II dates from the end of the 13th c.). Or.: England. Prov.: the whole volume (two parts) was given by John Cobbledik (d. 1337) to Oriel College, Oxford, in 1337 (cf. note f. 226v: ‘Liber scolarium domus beate Marie Oxonie … (?) per magistrum Iohannem Cobuldik anno domini M°CCC° tricesimo septimo precio XX solidorum et non accommodetur extra domum nisi consanguineis predicti magistri Iohannis sub racionali caucione’), where it remained at least until 1375 (Maddan/Craster); then the volume changed hands and appears, among others, in Guildford (Surrey) in 1421 (cf. note f. 226v: ‘Caucio magistri Willelmi Bridby exposita ciste Gildford in festo sancti Barnabe anno domini M°CCCC°XXI° pro viginti solidis’ and ‘Caucio magistri Willelmi … yn 20° die Octobris anno domini 1463 habens supplementum 2° folio…’); ‘per magistrum Helayim de T<ri>kyngham’ (f. 145r, 15th c.); ‘Thomas Clerk’ (f. 95v and 113r, 16th c.); ‘Thomas Henshaw’ (inner back cover, 16th c.); John Dee c. 1556.

Parchment, XLI+227 f. Composite MS made of two parts (I: f. I-XLI and 1-144, a single neat hand; II: f. 145-224).

Mathematics, astronomy and astrology (part I): Euclid, Elementa, version ‘Adelard II’ (IIr-XLIv and 1r-15r); rithmomachia ‘Ex numeris sese respicientibus proportione…’ (15v-16r); arithmetic ‘Si datus numerus in duas partes dividatur…’ (16v); Euclid, Liber de visu, beginning missing (17r-24r); Euclid, De speculis (24r-29r); Theodosius, Spherica, tr. Gerard of Cremona (29v-51v); Theodosius, De habitationibus (52r-54r); ‘Tres circulos in astrolapsu descriptos…’ (54v-55r); Ptolemaica (55v-57v); Euclid, Data (58r-72r); Messahallah, Liber interpretationum, c. 7-12 (72v-73v); Euclid, Elementa, version ‘Adelard II’, addenda to VII.1 and X.105 (74r); Jordanus of Nemore, De numeris datis (74v-87r); Ptolemaica (88r-95r and 96v-99r); Jordanus of Nemore, De plana spera (99v-101r); Archimedes, De mensura circuli (101v-102v); Ametus filius Josephi [Aḥmad ibn Yūsuf], De arcubus similibus (103v-104r); Zenodorus, De isoperimetris (105r-106v); Euclid, De ponderoso et levi (107r); Liber de canonio (107v-108v); De ponderibus Archimenidis (108v-109r); fragment on the Roman balance ‘Queritur in longitudine…’ (109r); Jordanus of Nemore, Elementa super demonstrationem ponderum (109v-110v); Johannes de Tinemue, De curvis superficiebus (111r-116r); De quadratura circuli per lunulas (116r); Gerard of Brussels, Liber de motu (116v-125r); comm. on Jordanus of Nemore’s Elementa super demonstrationem ponderum (125v-128r); De ratione ponderis, starting I.8 (128r-133r); geometry ‘Artis cuiuslibet consummatio…’ (133v-144v). Part II of the MS (f. 145-224) contains texts of theology, philosophy and medicine. F. 225-227 contain added notes, including a 15th-c. table of contents of both parts (225v) and a 13th-c. table of contents of Part I (227r).

Lit. J. L. Heiberg, Claudii Ptolemaei opera quae exstant omnia, II: Opera astronomica minora, Leipzig, 1907, xiii; F. Madan, H. H. E. Craster, A Summary Catalogue of Western Manuscripts in the Bodleian Library at Oxford, II.2, Oxford, 1937, 706-708 (no. 3623); B. B. Hughes, Jordanus de Nemore: De numeris datis, Berkeley-Los Angeles-London, 1981, 30-32; M. Clagett, Archimedes in the Middles Ages, I, Madison, 1964, xx, and V, Philadelphia, 1984, 59-60; O. Pächt, J. J. G. Alexander, Illuminated Manuscripts in the Bodleian Library, Oxford, III: British, Irish, and Icelandic Schools, Oxford, 1973, 39 (no. 415); J. Roberts, A. G. Watson, John Dee’s Library Catalogue, London, 1990, 113 (M13); H. L. L. Busard, M. Folkerts, Robert of Chester’s (?) Redaction of Euclid’s Elements, the so-Called Adelard II Version, Basel-Boston-Berlin, 1992, I, 64-66; Codices Boethiani: A Conspectus of Manuscripts of the Works of Boethius, I: Great Britain and the Republic of Northern Ireland, eds M. T. Gibson, L. Smith, London, 1995, 181-182.

88r‑96v, 55v‑57v

‘Secunda edicio Theodosii de plana spera. Subtilissimus liber geometricus. Planisphaerium Ptolomei (three titles added by three different hands in the upper margin). [translator’s preface] <Q>uemadmodum Ptholomeus et ante eum nonnulli veterum auctoritatis viri antiquas seculi scribunt historias… (88v) [text] <C>um sit possibile, Iesuri, et plurimumque naturam (!) ut in plano represententur circuli in speram corpoream incidentes — (95r) cum ipsis circulis tropicis et cum circulis meridianis signa distinguentibus. Explicit secunda edicio Tholomei (corr. in Theodosii) de plana spera. [propositiones planisperii] <Q>uoslibet duos circulos equidistantes recto in spera corporea — (96v) in plano datum punctum in spera potentialiter ostendit. (55v) [maslama’s extra chapter] Sectio que non est de libro quam dixit Mesle<n> usque ad primam sectionem quam Ptholomeus. <I>am memoravit Ptholomeus in hoc libro quomodo lineentur orizontes et equidistantes — (56r) Et secundum hoc fit artificium laminarum. [maslama’s astrolabe chapter] Et hec capitula non pretermittat qui voluerit facere astrolabium, que compilavimus de figura sectionis. Tractatus de ortu signorum (title added in the margin, apparently by another hand). <A>d scienciam extrahendi elevationes signorum in orbe recto — et quod provenerit est nadair gradus occasus. Intelligas. Explicit.’

= Ptolemy, Planispherium (tr. Hermann of Carinthia) (A.6.1), Class III. Translator’s preface, 88r-88v; text, 88v-95r; Propositiones planisperii, 95r-96v; Maslama’s extra chapter, 55v-56r; Maslama’s astrolabe chapters, 56r-57v. Marginal notes by the scribe, including Maslama’s notes.

96v‑99r

‘<E>quator circuli diei est circulus maior qui describitur super duos polos orbis — propinqui oppositioni erunt retrogradi. Explicit.’