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Ptolemaeus

Arabus et Latinus

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Palermo, Convento di San Francesco, 4

s. XV1 (1427, cf. f. 3r).

Or.:

copied by Laurentius de Messasal, bishop of Agrigento (Sicily) from 1422 to 1442 (cf. note in the hand of the scribe at the bottom of f. 3r: ‘Exemplum… hoc feci ego Laurencius episcopus Agrigentius anno domini MCCCCXXVII…’). The same Laurentius de Messasal glossed the Almagest in MS Vatican, BAV, Vat. lat. 6788 (see).

Paper, 10 f., a single hand.

Mathematics and astronomy: Nicole Oresme, Algorismus proportionum, prologue of the first part (1r-7v); Ptolemaica (7v-10r); enigma (10v).

Lit.

La biblioteca francescana di Palermo, ed. D. Ciccarelli, Palermo, 1995, 163-164 (not seen); S. Crimi, ‘L’Algorismus proportionum di Nicola Oresme et I Flores Almagesti di Geber: un testimone palermitano’, Medieval Sophia. Studi e Ricerche sui Saperi Medievali 18 (gennaio-dicembre 2016), 215-224: 215-216 and passim.

7v‑10r

‘Incipiunt 25m theorema primi Gibi (!) super Almagesti. Et cum iam hoc ostensum sit incipiamus ostendere semitam qua quod de lateribus trianguli rectilinei et angulis… (8r) Glosa: Hic incipit ostendere Geber per tria nota — voluimus demonstrare. Glosa: Quoniam omnis trianguli — illos angulos etc. que habetur in primo Almagesti.’

= Geber, Liber super Almagesti (C.1.2)

, last chapters of Book I (numbered 24-26 in ed. 1534, here numbered 25-28 in the margin), with short ‘glose’ inserted into the text. No further glosses. See Lyon, BM, 328, f. 78v-79r.