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Florence, Biblioteca Medicea Laurenziana, Conv. Soppr. 414

Date:

s. XIII^med (perhaps before 1263, given as the present year in a long note added, apparently by another hand, on f. 63v: ‘… aliquando etiam fiet equinoctium Sole existente in 21 gradu Piscis ut nunc, anno domini Mº.200.63’).

Or.:

English hand (Georges). F. 1r-60r were copied on Paris, BnF, lat. 16657 (f. 82v-146v), a MS which successively belonged to Richard of Fournival, to Gerard of Abbeville (c. 1261) and to the college of Sorbonne (1272).

Prov.:

the scribe annotated the MS until at least 1304 (see below); Florence, basilica della Santissima Annunziata, by 1735.

Parchment, 63 f., a single hand.

Astronomy and algebra: Ptolemaica (1r-45r); two diagrams and a note on retrogradation ‘Nota: P est centrum terre, O centrum ecentrici deferentis…’ (45v); Ptolemaica (46r-60r); Liber restauracionis ‘Unitas est principium numeri et non est numerus…’ (60va-63vb).

Bibl. L. Crociani, M. G. Ciardi Dupré Dal Pogetto, D. Liscia Bemporad, I codici della basilica della SS. Annunziata in Firenze nella Biblioteca Medicea Laurenziana, Firenze, 1983, 117-118 (no. 82); H. Zepeda, The First Latin Treatise on Ptolemy’s Astronomy: The Almagesti minor (c. 1200), Turnhout, 2018, 56-57; M. Moyon, ‘The Liber Restauracionis: A Newly Discovered Copy of a Mediaeval Algebra in Florence’, Historia Mathematica 46 (2019), 1-37: 4-5; S. Georges, Glosses as a Source for the History of Science. The Case of Gerard of Cremona’s Translation of Ptolemy’s Almagest (forthcoming).

1r–⁠45r	‘Incipit liber Albategni qui dicitur Almagesti parvum [title in upper margin by a later hand]. Omnium recte philosophancium non solum verisimilibus et credibilibus — tenebrarum sic se habent. Explicit hic sextus liber et sexti glosa textus.’ = Almagesti minor (C.1.4) . Occasional short marginal notes.
46r–⁠60r	‘Tabula stellarum fixarum secundum quod sunt semper in ymaginibus signorum. Stellatio Urse Minoris. Illa que est super extremitatem caude: 2^s 7° 15′ – 66° 0′ – 3. Illa que est post istam super caudam: 2^s 9° 35′ – 70° 0′ – 4 — chaugebe dicuntur comate.’ = Ptolemy, Almagesti (tr. Gerard of Cremona) (A.1.2) , VII.5-VIII.1, star catalogue, with longitudes adjusted +7°05′ (same in Paris, BnF, lat. 16657). Much later, in or around 1304, the scribe added the coordinates from the Alfonsine tables (2^s 17° 18′, 2^s 19° 38′, etc.), as well as several glosses, including the following one at the end (60r): ‘Notandum quod super tabulas hic positas ab antiquo addunt nove tabule Alfunsi 10 gradus et 3 minuta. Sed anno domini 1304 addebantur ad hoc 23 minuta. Et antique tabule hic posite addunt super tabulas Ptholomei in Almagesti de stellis fixis 0 signum 7 gradus 5 minuta, ita quod tempus presentis anni, scilicet 1304, addit super tempus Ptholomei 0 signum, 17 gradus, 8 minuta’. This gloss turns out to be the earliest mention of the Alfonsine tables, see D. Juste, ‘The Alfonsine Tables Mentioned in 1304’, JHA 54 (2023), 213-219.

1r–⁠45r

‘Incipit liber Albategni qui dicitur Almagesti parvum [title in upper margin by a later hand]. Omnium recte philosophancium non solum verisimilibus et credibilibus — tenebrarum sic se habent. Explicit hic sextus liber et sexti glosa textus.’

= Almagesti minor (C.1.4)

. Occasional short marginal notes.

46r–⁠60r

‘Tabula stellarum fixarum secundum quod sunt semper in ymaginibus signorum. Stellatio Urse Minoris. Illa que est super extremitatem caude: 2^s 7° 15′ – 66° 0′ – 3. Illa que est post istam super caudam: 2^s 9° 35′ – 70° 0′ – 4 — chaugebe dicuntur comate.’

= Ptolemy, Almagesti (tr. Gerard of Cremona) (A.1.2)

, VII.5-VIII.1, star catalogue, with longitudes adjusted +7°05′ (same in Paris, BnF, lat. 16657). Much later, in or around 1304, the scribe added the coordinates from the Alfonsine tables (2^s 17° 18′, 2^s 19° 38′, etc.), as well as several glosses, including the following one at the end (60r): ‘Notandum quod super tabulas hic positas ab antiquo addunt nove tabule Alfunsi 10 gradus et 3 minuta. Sed anno domini 1304 addebantur ad hoc 23 minuta. Et antique tabule hic posite addunt super tabulas Ptholomei in Almagesti de stellis fixis 0 signum 7 gradus 5 minuta, ita quod tempus presentis anni, scilicet 1304, addit super tempus Ptholomei 0 signum, 17 gradus, 8 minuta’. This gloss turns out to be the earliest mention of the Alfonsine tables, see D. Juste, ‘The Alfonsine Tables Mentioned in 1304’, JHA 54 (2023), 213-219.