Astronomy.- Danti (Egnazio) Le Scienze Matematiche ridolte in tavole, first edition, Bologna, La Compagnia della Stampa, 1577; bound with Chiabrandi (Francesco) Descrizione ed uso d'una Tavoletta piu comoda, ed accurata del Globo Celeste pe' Problemi d'Ascension Retta, first edition, Piacenza, Giuseppe Tedeschi, 1781; bound with Saggio Cronologico d'Autore Anonimo Parte I, Milan, Francesco Pogliani, 1785, together 3 works in 1, first with woodcut device on title, woodcut initials and decorations, some leaves browned, ink stamps to first 2ff., small hole in title and some minor marginal worming at beginning, second with longitudinal initial text leaf before title, loosely inserted 2-part engraved instrument like a slide-rule (slightly wormed) and folding engraved plate at end (also slightly wormed), third with woodcut device on title and woodcut decorations, 2 folding leaves, 18th century mottled half calf, spine slightly wormed and ends repaired, folio

⁂ Sammelband of three rare works, the first by Egnazio Danti (1537-1586) a Dominican whose original secular name was Carlo Pellegrini from Perugia. The aim of the work is to enable the interested reader to see at a glance (una occhiata) in a series of Ramist tables a summary of the various mathematical sciences, from astronomy - the sphere, the planets - to architecture and even sculpture; the second work, extremely rare (Adler Planetarium only on OCLC), describes the use of an instrument used to calculate the right ascension of astronomical objects; the third work, also extremely rare (Bavarian State Library only on OCLC, but 'Kriegsverlust') is part 1 only (all published) of a projected 4.