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 106
continuas inter extremita tes amba^nota,quae eft cor- da arcus 24.ergo corda medietatis eius, quae eft 1 z.eft per illud quod declarauimus itertr nota,& eft corda d. partiu etiam nota, & fimiliter corda trium partiu,& corda partis fit! femis,&! corda trium quartarii partis omnes notae fiint,quare… … partes,quibusdiametereft i2o.partes,St!<ppterea, q>eft ,ppor* tio lineae a g ad linea a b minor ^pportioe parris unius & femis ad unu,& quatitas lineae a g eft gs una dl 3 4.minuta & 1 5- .fecda.oportet ut fit corda a b,q eft corda gtis unius, plusdua b 9 tertrjs gtis unius, fit! 3 4.minuto#; & 1…
Mathematics · Astronomy · Astronomy, Arab · Astronomical instruments · Spherical astronomy · Scientific apparatus and instruments · Imprint 1534
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