PAL

Ptolemaeus Arabus et Latinus

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Ptolemy, De suppositione planetarum (tr. before 1595)

Schweinfurt, SB, Ha 16 (H 85) · 18r

Facsimile

tabilis ut linea a centro ipsius ad lineam intermediam centrorum eius et zodiaci rationem habeat eam quae est 60 ad 2 ½. Circa magis apogeum autem pari celeritate moveatur epicycli centrum cui situs est semper in dicto eccentrico ut in sequentia mundi et circa dictam eminentiam qua superat Solis transitus utrunque paris temporis transitum tam eum qui est fixarum [quam] stellae ut totis noctidiis 240 ad Aegyptiacos annos 213 restitutiones fiant 18 quam proxime. Assumitur enim ad exquisitam supputationem unius gradus sexagesima 1. Rursum in epicycli sphaera consideretur parvus circulus circa illius centrum in obliqui circuli plano; rectae This should probably be ‘recta’ but the corresponding ‘apprehendentis’ suggests that the author translated it this way intentionally. per utrunque centrum tam ipsius quam magis apogei duorum dictorum circa quod moventur pari celeritate eadem signa semper circelli apprehendentis quae vocamus apogeum et perigeum. Et alius parvus circulus ipsi concentricus ducatur in eodem plano et circa