²⁹⁸ante Dico del. et A
²⁹⁹ante g del. con A
³⁰⁰ante in del. in A
³⁰¹ab S   cd A C
³⁰²connectantur A C   connectatur S
³⁰³et A   om. C S
³⁰⁴et A   om. C S
³⁰⁵connectantur A   connectatur C S
³⁰⁶ante hd del. hd A
³⁰⁷Ptolemaeus A   Ptolemeus S   Ptolomeus C
³⁰⁸12ⁱ A C   12 S
³⁰⁹Constructionis A   Const^nis C   Costitutionis S
³¹⁰erit A   est C S
³¹¹dlf A S   DLE C
³¹²fhd A C² S    unam litteram legi nequit in C
³¹³dlf A S   FLD C²   BLD C
³¹⁴Et (Rursus C² S) ˜ bld A S    signo posito in marg. C²   om. C
³¹⁵quia etiam in triangulo lbh portio A   om. C² S
³¹⁶ante bhd del. bdh A
³¹⁷dlf A   BLD C S
³¹⁸proportio A   om. C S
³¹⁹post dlf del. LF C
³²⁰1/2 A   dimidium C S
³²¹ante Ergo del. qui A
³²²aequam A S   aequa C
³²³anguli A S   angulus C
³²⁴Et ˜ 51 dhf A   om. C S
³²⁵Et conversim minor sit angulus BHD ad angulum DHF quam [C:34v] angulus BKD ad angulum DKF, et componendo minor BHF ad DHF quam BKF ad DKF, hoc est, maior sit BKF ad DKF Clavius in C S
³²⁶ante Sed inser. quam (qbam S) BHF ad DHF C S
³²⁷et dkf A S    in interl. C²   om. C
³²⁸aequidistantiam A C   aequidistantia S
³²⁹ante abk del. q A
³³⁰cdk A C   CKD S
³³¹ante qui del. aequales A
³³²fractis A   radiis fractis C S
³³³comprehenduntur C S   comprenditur A
³³⁴fractis A   radiis fractis C S
³³⁵10^am A   propos. 10 C S
³³⁶bhf A S    in interl. C²   BH C
³³⁷tunc A   om. C S
³³⁸aliquod A S   aliquid C
³³⁹secetque A C² S   seceturque C
³⁴⁰in m signo A   in signo N C S
³⁴¹sphaeram, A C   sphaerae S
³⁴²diametrum A S   diametro C
³⁴³qui A   quae C S
³⁴⁴ante occurrat del. unam litteram A