Ob diversitatem duorum quadrantum, tum in longitudine, tum in luminibus & umbris, seorsim apponendum utrumque censui; ut in eis delineandis omnem difficultatem tibi adimerem.
The Ninety-ninth Figure.
Another Quarter of the whole Design.
By reason of the Difference of the two Quarters, as well in Length, as in their Lights and Shadows, I resolv’d to describe them separately, that you might find no Difficulty in designing the whole Work.
Fig. c.
FIGURA Centesima.
Modus reticulationis faciendæ in testudinibus.