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London, British Library, Arundel 88

s. XV^ex-XVIⁱⁿ (between 1484 and the early years of the 16^th c.).

Or.:

astrologer’s handbook of Giovanni Battista Boerio, student in Pavia in 1484 and, from 1504 onwards, physician to Henry VII and Henry VIII in London (f. 26v: ‘Explicit Meseala de revolutione annorum mundi excopiatus per me Iohannem Baptistam Borrium de Tabia (?), artium, medicine et astrologie studente, 1484 die 24 Septembris’).

Paper, 133 f. (with many unnumbered blank folia), one main hand (Giovanni Battista Boerio), including for the Ptolemaic section.

Astrology and astronomy: John of Bruges, Tractatus de astrologie veritate (1r-15r); John of Legnano, judgement on the great conjunction of 1365 (15r-16v); ‘De coniunctione Saturni et Iovis in triplicitate ignea’ (17r); Messahallah, De revolutionibus annorum mundi (18r-26v); Liber Alchandrei, c. 34 (27r); Gabriel Pirovanus (?), prognostication for 1484 (28r-29v); Giovanni Battista Boerio (?), judgement on a nativity of 12 June 1459 (30r-33v); star table (34r-34v); astronomical-astrological notes (35r); ‘De electionibus. Ei qui vult tacuinum annuarium seu almanak de electionibus componere…’ (35v-37r); Sacrobosco, Computus (38r-39r, excerpt); John of Ligneres, Canones primi mobilis (39v-46v); astronomical tables (47r-50r); tables: points of essential dignities of each planet in each of the 360° (51r-53v); ‘De domino orbis ex summa Toletana (immo ex summa Anglicana Iohannis Esquidi [John of Eschenden], potius)’ (54r-54v); Ptolemaica (55r); end of a text on the plague, partly astrological (56r-56v); Pseudo-Aristotle, Secretum secretorum, excerpt on physiognomy ‘Tractatus de physiognomia. Abrevatio phisionomie. Discipuli Ypocratis sapientis…’ (57r-58r); ‘De chiromancia tractatus. Ciromantia est ars demonstrans mores…’ (59r-66r, preceded by drawing of hands f. 58v); Guillelmus Anglicus, De urina non visa (67ra-69ra); Zael, Quinquaginta precepta (69rb-70va); Bartholomew of Bruges (?), De prognosticatione morborum per crisim et alia signa, incomplete (71r-86v); Petrus de Sancto Audomaro, Tractatus de semissis, c. 1 (87r-88v); Capitula Almansoris (89r-93r); ‘De revolutione annorum mundi’ (93v); Zael, Quinquaginta precepta, c. 1-47 (94r-94v and 96r-97r); judgement on an interrogation ‘Iudicium de quaestione quadam’ (95r-95v); three examples on judgements on nativities ‘Iudicium docti cuiusdam de nativitate quorundam’ (98r-105r); ‘De electionibus’ (106r-106v); medical recipes (107r-108r); Giovanni Battista Boerio (?), judgement on the nativity of Battista II Campofregoso, doge of Genoa from 1478 to 1483 (108v-122r); Battista Piasio of Cremona, judgement on the nativity of Giovanni Baptista Colis of Cremona, born on 14 May 1471 (dated 1491) (123r-125v); collection of horoscopes and interpretations concerning Henry VIII and his family (125v-133v). Blank: 27v, 37v, 49v, 50v, 55v, 66v, 122v.

Note the text f. 17r reads ‘De coniunctione Saturni et Iovis in triplicitate ignea. Nil (?) magis, ut dicit Ptholo<meus> in Centi<loquio> prepositione (!) 93, eo quod due planete superiores ad principium Arietis conveniant — in hoc seculo redundabunt natura namque.’

Bibl. Catalogue of Manuscripts in the British Museum, New Series, vol. I, part 1: The Arundel Manuscripts, London, 1834, 23; A. G. Watson, Catalogue of Dated and Datable Manuscripts c. 700-1600 in the Department of Manuscripts. The British Library, London, 1979, I, 89 (no. 437); F. S. Pedersen, Petri Philomenae de Dacia et Petri de S. Audomaro opera quadrivalia, København, 1983-1984, II, 653; P. O. Kristeller, Iter Italicum, IV, London-Leiden, 1989, 127; D. Juste, Les Alchandreana primitifs. Étude sur les plus anciens traités astrologiques latins d’origine arabe (x^e siècle), Leiden-Boston, 2007, 323; L. Moulinier-Brogi, Guillaume l’Anglais, le frondeur de l’uroscopie médiévale (XIIIe siècle), Genève, 2011, 215-216; M. Azzolini, The Duke and the Stars. Astrology and Politics in Renaissance Milan, Cambridge (Mass.)-London, 2013, 29-34 and 48-49.

55r	‘Aphorismus 51 Ptolom<ei> explicatur. Locus Lune in nativitate est ipse gradus de circulo hora casus spermatis et locus Lune hora casus spermatis est gradus ascendentis hora nativitatis. Super prima propositione, que est 51 Centiloquii, nota quod dixit Ptholomeus et Hermes quod locus Lune hora qua infuditur — et ubi inveneris erit ascendens nativitatis, et tunc fuit ibi Luna hora casus spermatis et parum erit erroris in hoc. (The same hand added in the margin: ‘Dixit magister Abraham: Ascendens gradus infusionis — expertus fuit multociens).’ = Pseudo-Ptolemy, Dixerunt Ptolemeus et Hermes quod locus Lune... (B.5) , preceded by the proposition of v. 51 of the Centiloquium in Plato of Tivoli’s translation (C.3.1.1). The last paragraph (‘Dixit magister Abraham…’) was copied in the margin by the scribe (Giovanni Battista Boerio). No glosses.

55r

‘Aphorismus 51 Ptolom<ei> explicatur. Locus Lune in nativitate est ipse gradus de circulo hora casus spermatis et locus Lune hora casus spermatis est gradus ascendentis hora nativitatis. Super prima propositione, que est 51 Centiloquii, nota quod dixit Ptholomeus et Hermes quod locus Lune hora qua infuditur — et ubi inveneris erit ascendens nativitatis, et tunc fuit ibi Luna hora casus spermatis et parum erit erroris in hoc. (The same hand added in the margin: ‘Dixit magister Abraham: Ascendens gradus infusionis — expertus fuit multociens).’

= Pseudo-Ptolemy, Dixerunt Ptolemeus et Hermes quod locus Lune... (B.5)

, preceded by the proposition of v. 51 of the Centiloquium in Plato of Tivoli’s translation (C.3.1.1). The last paragraph (‘Dixit magister Abraham…’) was copied in the margin by the scribe (Giovanni Battista Boerio). No glosses.