Castelli,E Ponti di maestro Niccola zabaglia con alcune ingegnose pratiche e con la descrizione del transporto Dell´Obelisco Vaticano e di altri del cavaliere Domenico Fontana

Folio. First edition.Engraved portrait,double  title page, 2 ff praefatio , 54 engraved plates(4 double plate  + 1 extra double  plate of St Peter´s vault) , 21 folding pages of text and description of plates.
original roman vellum rubbed and spotted on covers; internally with water staining affecting margins. printed surface very clean in strong paper.
Zabaglia (1664-1750) was in charge of the restorations works carried out during the XVIII century at St Peter church in Rome. He was engineer and inventor of some devices to help the restoration of the fabric.The devices and tools are illustrated in the book. Some plates illustrates Domenico Fontana´s works re-erecting the Egyptian obelisk at St Peter´s Square in 1589.
REf: Cicognara 968,Berlin Kat 2755.