Belgrado Giacopo a learned Italian Jesuit, was born at Udine, Dec. 16, 1704, and died April 17, 1789. He published a large number of scientific works, of which the greater part are in Latin. The principal of these are, Ad Disciplinam Mechanicam Nauticam et Geographicam, Acroasis Critica et Geographica (Parma, 1741): — De Lignorum Equilibrio Acroasis (ibid. 1742): — De Analyseos Vulgaris Usu in Re Physice (ibid. 1761): — Theoria Cochlai Archimedis, (1767). At the age of eighty-one years, he gave a dissertation, full of new ideas, upon Egyptian architecture. See Hoefer, Nouv. Biog. Generale, s.v.