celeſtibuspe corꝑibus
quē facit planeta in ꝓprio circulo.cuius metas et terminos nunquāexit Scd̓us motus eſt quem facitſub zodiaco ⁊ habito reſpectu adzodiacū ſemꝑ in equali tēpore etper equale ſpaciū tranſit Primusaūt motꝰ planete ⁊ ꝓpriꝰ fit in circulo. qui dicit̉ ecentricus ſic dictꝰeo ꝙ nō habeat terrā pro centroſicut zodiacus habet terrā pro cētro. Unde circulus planete dicit̉ecentricus cuius ſuꝑficies cuꝫ percentrū terre tranſeat ⁊ terrā in duas medietates diuidat centruꝫ tn̄ſuū habet extra centrū terre. ⁊ iſtecirculus ecentricus eſt duplex ſcꝫdeferens ⁊ equans. Naꝫ planetisaſſignāt̉ tres circuli vt dic̄ Otho.ſcꝫ equans. deferens et epiciclusCirculus deferens eſt circulꝰ planete per cuius circūferentiā ſēpermouetur epiciclus ipſius planete.dictus ideo deferens. quia defertcirculū epicicli. Circulus equansdicit̉ ſuper cuius centrū mouet̉ cētrum epicicli planete vniformit̉. etdicit̉ equās qͥa in illo tenꝫ equaliter planeta curſū ſuū Epiciclus ēqͦdaꝫ paruus circulus. quē deſcribit planeta motu corꝑis ſui ꝑ cuius circūferentiaꝫ mouetur corpꝰplanēte vn̄ ī ſuꝑiori ꝑte ſui epiciclimouetur ab occidente in orientein inferiori vero parte mouet̉ aboriente in occidentē. Et id̓o patetꝙ ſol et alij planete in ꝓprijs circūlis mouent̉ ⁊ pͥmus vniformit̉ qͣꝫuis in diuerſis diuerſimode moue
ant̉ ¶ In iſtis itaqꝫ circulis diuerſis triplex motus planetaꝝ eſt abaſtrologis ſapiētiſſime dep̄heſusmotus ſcꝫ directus ſtationarius ⁊retrogrādus Directus eſt qn̄ mouetur directe a pͥncipio ſigni veriſus finē Retrogradus vero dicit̉qn̄ ecōuerſo tendit a fine ſigni verſus pͥncipiū Stationarius aūt eſtqn̄ ſtat quaſi in medio ita ꝙ necpͥncipio ſigni videt̉ accedere neqꝫfini Fit aūt directio ſemper in ꝑteepicicli ſuꝑiori. Retrogradatio ſꝑin parte inferiori. Statio vero fitin medio. cuius diuerſitatis ratioa ph̓is diuerſimode aſſignat̉ Iſtatamē retrogradatio in qͥnqꝫ ſolūplanetis habet locū. nō autem inſole nec in luna. nō enī ſol neqꝫ luna retrogradiūtur qͣꝫuis in epiciclo moueant̉. Et hoc ideo vt dicunt aliqui. quia radij ſolares ſūtcauſa iſtius retrogrādatiōis. Nāvirtus radioꝝ ſolariū aliqn̄ illosrepellit et facit retrogrados. qn̄ꝫeos attrahit et ſic eos quaſi ſtarecogit vt dicit Alphraganꝰ Aliasautē cauſas aſſignat pthol̓. ſꝫ hecnūc ſufficiant. ¶ Recollige igiturex predictis ꝙ planēte ſūt ſtelle erratice per ſeptē orbes diſtincte. ſic̄ſitu ſic virtute et effectu ab inuiceꝫdifferentes ſicut dicit Geda in li.de naturis rerū. Sunt auteꝫ ſtelleiſte elemētoꝝ immutatiue. oīm generabiliū generatiue et corruptibiliū corruptiue. Sūt etiā ꝯtrarietate ſui motus impetus celeſtis