De arithmeticaBoethius, -524[between 1100 and 1150]latManuscript on parchment (poor quality; end pieces) of Boethius, De arithmetica. Text begins imperfectly in Bk. I, ch. 23.In Latin.Script: Written by multiple scribes (some copying or correcting only brief portions of text) in late caroline minuscule.Plain intials, 6- to 2-line, red, blue or black, occasionally with modest pen design in red (e.g., ff. 27v-28r). Numerous diagrams and charts throughout.Parchment stained and warped by damp.Binding: 19th-20th centuries, Eastern Europe (?). The back pastedown consists of a portion of a Latin parchment document dated 1374. Front pastedown removed and preserved as Marston MS 89A. Sewn on three supports laced into thick oak boards and wedged. Plain wound endbands on alum-tawed cores originally laced into the boards. Covered with parchment with irregularly serrated turn-ins, with a strap-and-pin fastening, the pin on the upper board. The codex has been so tightly rebacked that it is difficult to open.