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 127
'b 1 B E,- U III* 35» … ius centra eft egrediens i centro orbis figno^quod eft centra mundfiaut ut moueatur mo tu aequali fug circumferentia orbis, cuius centra eft centra mundi,& nominat ifte orbis orbis deferens orbem reuolutionis.Secundu unamquaq? igitur iftara duarum radicu mos uetur ftella motu aequali, & uideat…
Mathematics · Astronomy · Astronomy, Arab · Astronomical instruments · Spherical astronomy · Scientific apparatus and instruments · Imprint 1534
Internet Archive · John Carter Brown Library · Public domain (published before 1931). Free to use for anything.
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