Collection of astronomical treatises and instructions for the creation of musical and mathematical instrumentsapproximately 1450.latManuscript, on paper, in several unidentified hands, containing a collection of 30 astronomical treatises and instructions for the creation of musical and matematical instruments, such as the organ, clavichord, Turkish instrument, cylindrical clocks, sundial, astrolabe, etc. Texts include treatises by Franco de Polonia, (Pseudo-)Bede, Johannes Symonis de Zalandria, Johannes de Lineriis, Petrus Peregrinus of Maricourt, and Gerardus Cremonensis. Number 2 of 4 titles bound togetherIn Latin.Title devised by cataloger.Script: Gothic cursiva.Decoration: Ample rubricated mathematical tables and diagrams. Two- to four-line capital letters in red ink. Rubrication.Layout: 1 column of 35 lines.Binding: 16th-century red blind-tooled leather on wooden boards. Rebacked in the 19th century. Two clasps closing on the top cover.Locally also referred to as Manuscript 25.Foliation in modern ink; starting at f. 1.Also available on microfilm.