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

Ptolemaeus

Arabus et Latinus

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Rome, Paulus Manutius, 1562

Title page:

‘Claudii Ptolemaei Liber de analemmate, a Federico Commandino Vrbinate instauratus et commentariis illustratus, qui nunc primum eius opera e tenebris in lucem prodit. Eiusdem Federici Commandini liber De horologiorum descriptione. Romae, M.D.LXII. Apud Paulum Manutium Aldi F.’

Federico Commandino, dedicatory letter to Cardinal Ranuccio Farnese (*iir-[*iv]r); Ptolemaica (1r-48v); Federico Commandino, De horologiorum descriptione (49r-93v); subject index ([94]r-[95]r); Errata ([95]v-[96]r).

Lit.

EDIT 16: CNCE 27783

Exemplar

Florence, Biblioteca Nazionale Centrale, Ald. 1.6.42

1r‑48v

Images

‘Claudii Ptholemei liber de analemmate cum commentariis Federici Commandini Urbinatis. [text] Consideranti mihi, Syre, ex angulis, qui circa gnomonis locum accipiuntur, qui rationali consentanei essent… (1v) [comm.] Commentarius. Antiquos mathematicos de gnomonicis rationibus conscripsisse ex Vitruvio, Ptolemaeoque satis constat — (47v) [text] horarii ad verticalem et descensivi ad horizontem. Canones autem hoc modo se habent. Habent autem et canones ita: (48r) [table ‘Cancri principii horarum XIII’]. [comm.] … ab ipso analemmate exordium capientes’ [followed by diagram].

= Federico Commandino, Commentary on Ptolemy's Liber de analemmate (C.4.2)

, together with the original text in Federico Commandino’s ‘edition’.