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


Arabus et Latinus

Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ ς τ υ φ χ ψ ω
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Milan, Biblioteca Ambrosiana, A. 71 inf.

s. XVI2 (1566-1568 for f. 1r-2v; 1581 for f. 24r-27v; 1587 for f. 95r-96r).


collection of texts, letters and notes assembled by Gian Vincenzo Pinelli (1535-1601).


Pinelli’s library was purchased by the Biblioteca Ambrosiana in 1608-1609.

Paper, III+129 f., several hands.

Scientific texts, letters and notes in Latin, Italian and Greek, dealing with astronomy, optics, geometry, architecture, astrology and mechanics: table of contents, 16th or 17th c. (IIr); two letters from Giuseppe Moletti to Pinelli on the gnomon and Ptolemy’s tables, dated 1566 and 1568 (1r-2v); ‘De visione, de visu, deque oculo, radiis et distantia cap. 3. De visione loquuturi quid visio sit…’ (3r-7v); text on climates ‘Ptolomeus in secundo… Almagestum vocant, ac in Geographia…’ (14r-18v); Ettore Ausonio, on mirrors, in Italian (20r-21v); letter from Giacomo Contanari to Pinelli on geometry, in Italian (23r-23v); letter from Giuseppe Moletti to Giacomo Contanari on measurements, dated 1581, in Italian (24r-27v); Giacomo Contanari, on fortifications, in Italian (30r-36r); Antonio di Pietro Averlino, on architecture (37r-51r); Giacomo Contanari, ‘Brevis descriptio artificiosi, novi et astronomici automati horologii’ (53r-56r); Alvise Corner, Trattato d’architettura (57r-72v); Ptolemaica (76r-84v); on Euclid (86r-87v); Ptolemaica (89r-94r); Galileo Galilei, theorems of geometry, dated 1587 (95r-96r); Giovanni Antonio Magini, on theorems from Book III of Euclid’s Elementa (97r-106r); list of famous mathematicians (107r-110r); selection of theorems from Euclid’s Elementa, in Greek (111r-112v); notes on the compass, in Italian (113r-115v); chapter index of a treatise of mechanics, in Italian (117r-120v); geometry, in Italian (121r-121v); notes on Euclid’s Elementa (123r-128v). Blank: I, IIv-IIIv, 8r-13v, 19, 22, 28-29, 36v, 51v-52v, 56v, 66, 73, 85, 88, 94v, 96v, 106v, 110v, 116v, 122, 129.


P. Revelli, I codici Ambrosiani di contenuto geografico, Milano, 1929, 20-22 (no. 6); A. Rivolta, Catalogo dei codici Pinelliani dell’Ambrosiana, Milano, 1933, 206-207 (no. 190); A. L. Gabriel, A Summary Catalogue of Microfilms of One Thousand Scientific Manuscripts in the Ambrosiana Library, Milan, Notre Dame, 1968, 38-39 (no. 16); Inventario Ceruti dei manoscritti della Biblioteca Ambrosiana, ed. A. Paredi, I, Trezzano, 1973, 41-42; P. O. Kristeller, Iter Italicum, I, London-Leiden, 1977, 317-318; P. O. Kristeller, Iter Italicum, II, London-Leiden, 1977, 534.


‘Κλαυδίου Πτολεμαίου περὶ ὑποθέσεων τῶν πλανωμένων. Hypotheses, ô Syre, coelestium motuum in iis quidem quas de mathematicis scripsimus commentariis, oratione explicare conati sumus — Stella tandem a boreo limite obliqui circelli in consequentia mundi partibus. Finis.’

= Ptolemy, Hypotheses planetarum (tr. Matthias Bergius) (A.3.1)

. A few marginal notes, apparently by another hand.


‘Perioche quatuor librorum de iudiciis Cl<audii> Ptolemaei per Valentinum Naibodam [title by another hand, f. 89v blank]. (90r) Quoniam vero summam totius operis praecignovisse multum interest ideo attexam hic argumentum breve seu periodum horum quattuor Ptholomei librorum de effectibus siderum — ab aliquo proditum acceperim. Sequuntur ergo libri primi capita etc.’

= Ptolemy, Quadripartitum (tr. Valentin Nabod) (A.2.12)

, Introduction only. No glosses.