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Ptolemaeus

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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Nürnberg, Johannes Petreius, 1541

Title page: ‘Tractatus Georgii Peurbachii super propositiones Ptolemaei de sinubus et chordis. Item compositio tabularum sinuum per Ioannem de Regiomonte. Adiectae sunt et tabulae sinuum duplices per eundem Regiomontanum. Omnia tunc primum in utilitatem astronomiae studiosis impressa. Norimbergae apud Iohan<nem> Petreium, anno Christi M.D.XLI.’

Astronomy: Johannes Schöner, dedicatory letter to Hieronymus Schreiber ([A1]v); Ptolemaica (A2r-B1v); Regiomontanus, Compositio tabularum sinuum (B2r-C1r), with tables (C1v-G3r).

Lit. VD16 P 2071

Exemplar Munich, Bayerische Staatsbibliothek, 2 A.gr.b. 1013

A2r‑B1v

‘Tractatus sinuum et chordarum Georgii Peurbachii. Sinuum, cordarum et arcuum noticia ad coelestium motuum cognitionem pervalde necessaria existit, ideo de eorum doctrina restat in praesenti perquirendum — Et similiter sciemus quantitates reliquarum chordarum, facilis ergo est secundum praemissorum tenorem chordarum ad suos arcus cognitio.’

= Peurbach, Tractatus super propositiones Ptolomei de sinubus et chordis (C.1.20).