Apparatus
1
Diffinitiones
S
De Diffinitione
C
2
linearium
S
linearum
C
3
Linearium
S
Linearum
C
4
quae
conieci
qui
S
C
5
sexcuplicato
C
sex multiplicato
S
6
hexagonum
S
suum quadratum
C
7
triangularem
S
triangulorum
C