Andreae Piovani: Congregationis Oratorii De Urbe Demonstrationes Geometricae In Trisectionem Anguli Plani (1728) is a book written by Andrea Piovani, a member of the Congregation of the Oratory in Rome. The book is a collection of geometric demonstrations on the trisection of plane angles. It was published in 1728 and is written in Latin.The book is divided into two parts. The first part provides an introduction to the concept of trisection of angles...