Centralized Church with Radiating Chapels and Nave
Domed church in perspective above an elaborate rosette ground plan with an attached nave
One of the fully worked centralized-church studies: a domed building is drawn in perspective at the top, its high central dome ringed by lower cupolas and an arcaded lower story with statue-filled niches. Beneath it lies a large ground plan in which a rosette of lobed chapels radiates around an octagonal core, with a longitudinal nave projecting from one side to join the centralized body to a basilican plan. A small alternative elevation is sketched at the upper left and a construction or scaffold detail at the lower right. Mirror-writing fills the lower-left margin; this text is not in the bundle and is not transcribed here.
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Domed church with niches and cupolas
The perspective shows a centralized church whose ribbed central dome is surrounded by a cluster of smaller cupolas and turrets. The lower story is arcaded, with statues standing in round-headed niches between the piers.
Alternative elevation sketch
A small, rapidly drawn variant of a domed structure appears at the upper left, testing another arrangement of drum and lantern on a low base.
Rosette ground plan with attached nave
The large plan sets a ring of lobed, apsidal chapels in a rosette around an octagonal central space, ruled through with diagonals and a star figure. A rectangular nave projects downward, grafting a longitudinal arm onto the centralized core.
Construction or scaffold detail
At the lower right a small perspective sketch shows an angular timber assembly, apparently a scaffold, support or setting-out device related to the building above.