Apian, Peter, 1495-1552, Ptolemy, active 2nd century, Gherardo, da Cremona, 1113 or 1114-1187, Geber, active 13th century. De astronomia libri IX, Duhem, Pierre Maurice Marie, 1861-1916. fmo RIBRL · Norimbergae : Apud Io. Petreium · leaf 123
m de angulorum prouenientium ab orbe (ignorunt, & circulo altitudinis . P Rxmittamtis ergo ante illud,q> punda orbis figno^qtrae frmt equalis elongationis a pundo tropico de eodem, & eft eoru longitudo a circulo meridiet ad orientem de oc oden tem cum temporibus aequalibus,tunc arcus euntes per ea… … ^piinctoma 3 a circino a d g aa oriente de occidente longitudo aequalis.Dico ergo,q> arcus b d eft aqualis arcui b 3 qt> duo an* guli b d e & b 3 a frint aequales duobus angulis redis, cuius ifta eft demonftratio , Faciam tranfire luper polum g ,& faper duo punda d 3 duos arcus diioru circulo^:…
Mathematics · Astronomy · Astronomy, Arab · Astronomical instruments · Spherical astronomy · Scientific apparatus and instruments · Imprint 1534
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