Ninety-eighth Figure.
A fourth Part of the Architectonical Design, painted on the Vault of S. Ignatius’s Church; with its Lights and Shadows.
In this Figure you have a Quarter of the whole Work, drawn from the foregoing Figure, after the usual Manner; namely, by taking with the Compasses the perpendicular Lines from the Angles of the Plan; and the parallel Lines from those of the Elevation, as also the visual Lines to the Point of Sight.
Fig. xcix.
Figura Nonagesimanona.
Alter quadrans totius Operis.
