Apparatus

¹ coincidant A  coincidat S
² rectos A  angulos rectos S
³ rectam A  [[directam]] S
⁴ quod superficies adiacens A  spatium quod adiacet S
⁵ ad contentum sub tota linea (quae constat ex basi et adiuncta occurrente) et sub ipsa occurrente signo posito in marg. A
⁶ sub ipsa a diametro A   ex diametro, sub ipsa S
⁷ specie A  rectangulo S
⁸ ac A  as S
⁹ c A   s S
¹⁰ ac A   as S
¹¹ bcg A   bsg S
¹² 24^am 6ⁱ A  23. 6. S
¹³ ac A   as S
¹⁴ bcg A   bsg S
¹⁵

ac

cb cg

A   as ad sb et as ad sg S
¹⁶ 24^am A  23. S
¹⁷ mp dm A  ad mp et dm S
¹⁸ sicut A  est sicut S
¹⁹ bcg A   bsg S
²⁰ ante del. aliquot literas A  triangulorum S
²¹ sicut A  est sicut S
²² sicut A  est sicut S
²³ 8^am 6ⁱ A  8. et 17. 6. S
²⁴ [[species]] A  species sectionis S
²⁵ est A   om. S
²⁶ Namque A  Nam S