Project icon: lavishly furnished initial letter with a painting of Ptolemy using an astrolab.


Arabus et Latinus

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Vatican, Biblioteca Apostolica Vaticana, Pal. lat. 1377

s. XIV (f. 183r-194v).


St Nikolaus Hospital in Kues for f. 183-194 (cf. f. 183r: ‘Liber hospitalis sancti Nicolai prope Cusam’); Heidelberg, Bibliotheca Palatina; Vatican library in 1623, where f. 183-194 were bound together with the other parts of the MS.

Paper and parchment, 194 f. MS made of seven parts of various dates and origins, of which f. 183-194, on parchment, form one unit copied in a single hand.

Ptolemaica (single text) for f. 183-194. The other parts of the MS contain scientific texts, including astrological and astronomical texts. One of these parts (f. 95-110, parchment, 11th-12th c., France) contains a large collection of chapters from the old corpus on the astrolabe, opening with the Horologium regis Ptolomei (95r-98r), here also attributed to Ptolemy: ‘Incipiunt capitula (?) libri horologi regis Ptolomei’.


A. A. Björnbo, S. Vogl, Alkindi, Tideus und Pseudo-Euklid. Drei optische Werke, Leipzig-Berlin, 1912, 134-136; L. Thorndike, ‘Some Little Known Astronomical and Mathematical Manuscripts’, Osiris 8 (1948), 41-72: 45; L. Schuba, Die Quadriviums-Handschriften der Codices Palatini Latini in der Vatikanischen Bibliothek, Wiesbaden, 1992, 103-107.


‘Forme, id est ymagines, celi et stelle ipsarum secundum situs et magnitudines tabulate Almagesti Ptolomei. Prime in parte anatoli. Et prima Urse Minoris. Illa que est super extremitatem caude : 2s 0° 10’ – 66° 0’ – 3. Illa que est post istam super caudam: 2s 2° 30’ – 70° 0’ – 4 — Et stella scita per thauguebe, id est comam, non intrant in numerum.’

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

, VII.5-VIII.1, star catalogue, with drawings of the constellations. Glosses by a later hand (15th c. acc. Schuba), including a longer note on the value of the precession according to various sources on f. 194v.