Watermarks: Andrea Galvani of Pordenone; eagle with letters A and FNF in roman. For the first see Edward Heawood, Watermarks, Mainly of the 17th and 18th Centuries (Hilversum, 1950), p. 36 and 860.Tables rubricated.Possible date of late 15th cent.-early 16th cent. based on coverage of calendrical tables.Astronomical tables for the latitude of Cairo based on the Raṣd of Ulugh Beg (1349-1449), including calendrical tables for the years 871-931 [1466-1525].