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

Ptolemaeus Arabus et Latinus

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Wolfenbüttel, Herzog August Bibliothek, 78.2 Aug. 8° (3778)

s. XV2 (in or after 1456, cf. f. 34v: ‘Hec sunt forme … (?) planetarum secundum Hali 1456°’).

Or.:

Germany (cf. f. 47v-48v).

Paper, I+101 f., a single hand.

Astronomy and astrology: modern table of contents (Ir); ‘Compositio astrolabii. Cum astrolabium componere velis, accipe tabulam spericam…’, incomplete (1r-3r); astrological dictionary ‘A. Ayz planete est ut sit masculinus in die super terram…’ (14r-30r); five short astrological chapters ‘De ludo. Pro ludo exi domum tuam sub signo mobili…’ (31r-31v); ‘Iudicium stellarum Haly. Dicit Hali: In libro meo magni (?) iudicarii non posui…’ (33r-33v); ‘Hec Hali. Hec sunt forme planetarum. Saturnus magnorum oculorum et habet in uno eorum maculam…’ (34r-34v); tables giving meteorological prognostics from the conjunction (?) of planets in the 12 signs (35r-37v); ‘Aliqua de iudiciis nativitatum. Sol in ascendente significat principatum et sublimitatem…’ (39r-47v, a compilation which includes Gergis’s De significatione septem planetarum in domibus); text on the nature of the 12 signs, in German (47v-48v); ‘Quomodo se habeat homo cum Saturnus fuerit in qualibet domo totius sodiaci (!). Et primo de domo vite…’ (48v-49r); astrometeorology ‘Si (?) Luna infra radios Saturni…’ (51r-51v); canons of astronomical tables ‘Pro notitia et inventione mediorum motuum omnium planetarum…’ (52r-54r), with corresponding tables (55r-61r); Ptolemaica (69r-101r). Blank: Iv, 3v-13v, 30v, 32, 38, 49v-50v, 54v, 61v-68v, 101v (except drawing of a man holding an astrolabe).

Lit.

Kataloge der Herzog August Bibliothek Wolfenbüttel, VIII: O. von Heinemann, Die Augusteischen Handschriften, 5: Codex Guelferbytanus 34.1 Aug. 4º bis 117 Augusteus 4º, Frankfurt/Main, 1966, 148.

69r‑101r

‘Incipit Quadrup<ar>titum Ptholomei Pheludiani. Capitulum primum primi libri quarti partus Ptholomei. Res, Misori, quibus perficiuntur pronosticaciones accepte de astronomia maiores et nobiliores sunt due. Una quarum est que debet in ordinacione et virtute preponi et est hec ars qua duorum luminarium et quinque planetarum figure sciuntur secundum motum suum — ad celi medium nativitatis sui domini sive regis qui fuit tempore quo edificate fuerunt.’

= Ptolemy, Quadripartitum (tr. Aegidius de Tebaldis) (A.2.5), I-II.3, without the translator’s preface and without Haly’s preface and commentary. I, 69r-94v; II, 95r-101r. No glosses.