1 concurrent S concurrerent C
2 cadant S cadunt C
3 at S et C
4 aeque C2 S aequae C
5 remoti C2 S remotae C
6 enim S in interl. C2 om. C
7 post connectantur del. in C
8 H, G correximus HG S corr. et etiam in marg. hab. C2 HL C
9 aeque C2 S aequae C
10 ideo C2 S id C
11 HFD C2 S HFB C
12 ipse S ipsae C
13 est S in interl. C2 om. C
14 HGD. Per 27 ergo correximus HGD per 27. Ergo C S
15 radii supplevimus
16 speculum S speculi C
17 polo C2 S poli C
18 removentur C2 S removetur C
19 triangula C2 S triangulum C
20 Vel sic: Quandoquidem a puncto axis (axes C ) delabuntur in periferiam circuli, qui (quod C ) ex definitione poli, aequaliter (aequali C ) ab axe, atque adeo a centro removentur (removetur C ). Clavius in C S