Ptolemaeus Arabus et Latinus

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Vatican, Biblioteca Apostolica Vaticana, Pal. lat. 1381

s. XIV2 (f. 230-243), XIVex-XVin (f. 137-148 and 209-229) and XV2 (f. 1-136 and 149-208, copied between 1451 and 1457, with additions and astronomical adjustments up to at least 1472).


Matthias of Kemnat (d. 1476) copied most of the first part of the MS at the monastery of Reichenbach and elsewhere, and might be responsible for bringing the three parts together (cf. his monogram with the date 1474 f. 1r and his name f. 82v, 123r, 170r and 173v); Heidelberg, Bibliotheca Palatina; Vatican library in 1623.

Paper, 243 f. Composite MS made of three parts: I, f. 1-136 and 149-208, several hands; II, f. 137-148 and 209-229, several hands; III, f. 230-243, a single hand.

Astrology (part III): Ptolemaica (230ra-243rb); ‘Nota quod hec sunt ymagines que oriuntur cum omni facie signorum. Aries. In prima Arietis facie oritur forma hominis nigri…’ (243va-243vb). Parts I and II include numerous texts, excerpts, notes, tables and diagrams of astronomy, astrology, computus and mathematics, among which: list of astronomical and astrological works excerpted from Pseudo-Albertus Magnus’s Speculum astronomie (11v-12v); Hermann of Carinthia, Liber imbrium (16r-21v); Liber novem iudicum, 13 final chapters ‘De qualitate aeris et temporum Aomar. Ex conventu itaque vel oppositione ex Solis…’ (21v-30r); Azarchel, Saphea, tr. Johannes Brixiensis and Prophatius Judeus (30v-42v and 59r-63v); Theorica planetarum Gerardi (46r-58v, preceded by diagrams f. 43v-45v); Thebit Bencora, De imaginibus (88r-88v); Pseudo-Messahallah, De compositione astrolabii, incomplete (137r-147r); Alfraganus, De scientia astrorum, tr. John of Seville (209r-220v); astrolabe ‘Astroloyce speculationis exercitium habere volentibus…’ (221r-226v); Gergis, De significatione septem planetarum in domibus, excerpted from Leopold of Austria’s De astrorum scientia, Book VII (227v-229r). Full description of contents in Schuba.


Inventarium manuscriptorum Latinorum Bibliothecae Palatinae (handwritten catalogue), 493; P. O. Kristeller, Iter Italicum, VI, London-Leiden, 1992, 360; L. Schuba, Die Quadriviums-Handschriften der Codices Palatini Latini in der Vatikanischen Bibliothek, Wiesbaden, 1992, 115-125.


‘Mundanorum ad hoc et ad illud mutatio corporum celestium… Sententia (!) stellarum ex te et illis est: Astrologus non debet dicere rem specialiter sed universaliter… Quod dixit Tholomeus, ex te et illis, significat quod qui res futuras prenoscere desiderat — (242vb) et quantum melius quivimus exposuimus. Ptho<lome>us in hoc loco tricas et tricarum nomina posuit… (243ra) Stelleque cum caude sunt … [one erased word] — in regibus et divitibus apparebit. Explicit Centilogium Ptolomei. Deo gracias.’

= Abuiafar Hamet filii Joseph, Commentary on the Centiloquium (‘Mundanorum’ version) (C.3.1.3). The text includes Pseudo-Ptolemy’s De cometis (B.4) as the last chapter on f. 242vb-243rb (see below). Short marginal notes by the scribe f. 230r, 233r and 236v.


‘Ptho<lome>us in hoc loco tricas et tricarum nomina posuit… Stelleque cum caude sunt … [one erased word] — in regibus et divitibus apparebit.’

= Pseudo-Ptolemy, De cometis (B.4), as part of the Centiloquium (see above). No glosses.