PAL

Ptolemaeus Arabus et Latinus

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Ptolemy, De planetarum hypothesibus liber (tr. John Bainbridge)

London, Guilielmus Jones, 1620 · 8

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Nycthemeron autem est tempus, quo Sol mundi conversione unam ad immobilem aequinoctialem conficit periodum. Et manifestum est si Sol per zodiacum non moveretur, idem fore nycthemeron cum mundi conversione; at cum in ortum moveri supponatur, diuturnius est nycthemeron quam mundi con