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Ptolemaeus Arabus et Latinus

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Florence, Biblioteca Nazionale Centrale, II.III.24

s. XIVin (f. 148-303; solar tables verified 1304-1307 f. 180r-182r; f. 1-147 are from the first half of the 14th c.).

Or.:

tables for Paris (f. 176r) and for latitude 51° (241r-241v); f. 1-147 in an Italian hand acc. Pedersen.

Prov.:

‘Abbatie Florentie S. LXXIIII° A. C.’ (f. 1r, later medieval hand); Carlo di Tommaso Strozzi (1587-1670) (f. 1r).

Parchment, XIII+303 f., MS made of two parts: I. f. 1-147, a single neat hand; II. f. 148-303, a single neat hand, decorated initials.

Mathematics and astronomy: 19th-c. catalogue entry for the whole MS (Ir-Xr); Fibonacci, Practica geometrie (1r-147r); table of contents of f. 150-179, late medieval (148r); Sacrobosco, Algorismus (150ra-153rb); Sacrobosco, De sphera (153rb-159va); Sacrobosco, Computus (159vb-171ra); Prophatius Judeus, Quadrans novus (171ra-175v); ‘Tabula ascensionum signorum ad Parisius’ (176r); Robertus Anglicus, Quadrans vetus (176va-179vb), with solar tables verified 1304-1307 (180r-182r); John of Harelbeke (?), Tractatus de spera solida (182va-189ra); Pseudo-Messahallah, De compositione astrolabii (189ra-198rb); Azarchel, Saphea, tr. Johannes Brixiensis and Prophatius Judeus (198va-206rb); Petrus de Sancto Audomaro, Semissa, c. 10 ‘Cum eclipsim Lune et eius quantitatem…’ (206rb-208rb); Petrus de Dacia, Eclipsorium ‘Prolixitatem que etiam plurimos in proiectionem eclipsium…’ (208rb-214ra), with tables (214v-217r); Pseudo-Thebit Bencora, De motu octave spere (218ra-219va); Ptolemaica (219va-221va); Thebit Bencora, De recta imaginatione spere et circulorum eius diversorum (221va-222va); Thebit Bencora (?), De quantitate stellarum et planetarum et proportione terre (222va-223va); ‘Incipit tractatus chilindri quod horologium dicitur viatorum. Investigantibus chilindri dispositionem…’ (223va-225ra); Petrus de Sancto Audomaro, Semissa (225ra-232va); Petrus de Dacia, Kalendarium (232vb-240v); ‘Tabula elevationum signorum ad latitudinem 51 gr<adus>’ (241r-241v); canons of Toledan tables (242ra-254rb); Theorica planetarum Gerardi (254va-258rb); Campanus of Novara, table for calendar conversion, with canon ‘Quia vero perutile est inventio annorum scire…’ (258va-258vb); Toledan tables (259r-301v); table of contents of f. 150-301, late medieval (302r); scattered notes and unfinished diagrams (303v). Blank: Xv-XIIIv (except for a few notes and ex-libris f. XIr, XIIr, and XIIIv), 147v, 148v-149v, 217v, 301v (except for owner’s note), 302v-303r.

Lit.

G. Mazzatinti, Inventari dei manoscritti delle biblioteche d’Italia, IX, Forli, 1899, 150-151; L. Thorndike, ‘Notes upon Some Medieval Astronomical, Astrological and Mathematical Manuscripts at Florence, Milan, Bologna and Venice’, Isis 50 (1959), 33-50: 36-38; F. S. Pedersen, The Toledan Tables. A Review of the Manuscripts and the Textual Versions with an Edition, København, 2002, I, 117-118.

219va‑221va

‘Incipit liber Thebith Benchorath de hiis que indigent exposicione antequam legatur Almagesti. (219vb) Equator diei est circulus maior qui describitur super duos polos orbis — propinqui oppositioni erunt retrogradi. Expletus est liber Thebith filii Chore de hiis que indigent exposicione antequam legatur Almagisti.’