Description of University of Pennsylvania LJS 465: Didactic poem on surveying and measurement of areas (taksīr). University of Pennsylvania These images and the content of Kislak Center for Special Collections, Rare Books and Manuscripts LJS 465: Didactic poem on surveying and measurement of areas (taksīr). are free of known copyright restrictions and in the public domain. See the Creative Commons Public Domain Mark page for usage details, http://creativecommons.org/publicdomain/mark/1.0/. Metadata is © and licensed under a Creative Commons Attribution License version 4.0 (CC-BY-4.0 https://creativecommons.org/licenses/by/4.0/legalcode. For a description of the terms of use see the Creative Commons Deed https://creativecommons.org/licenses/by/4.0/. Ms. codex. Title supplied by cataloger. 3420 Walnut Street, Philadelphia, Pennsylvania 19104-6206 University of Pennsylvania Kislak Center for Special Collections, Rare Books and Manuscripts LJS 465 9959781433503681 http://www.worldcat.org/oclc/852991445 http://hdl.library.upenn.edu/1017/d/medren/5978143 A didactic poem on surveying and measuring areas including triangles, quadrilaterals and circles. Arabic Didactic poem on surveying and measurement of areas (taksīr). Ibn Luyūn al-Tujībī, Saʻd ibn Aḥmad, 1282 or 1283-1349 or 1350 ابن ليون التجيبي، سعد بن احمد،

paper

 7 leaves : 198 x 142 (144 x 95) mm. bound to 202 x 159 mm

Paper, i (modern paper) + 7 + i (modern paper).

 Written in 21 long lines; ruled in dry point. Written in small, neat maghribi in brown ink; pointed. Small marginal geometric diagrams (f. 2v-6v); diagram annotations in red ink. Diagram, f. 2v Diagram, f. 3v Diagram, f. 4r Diagram, f. 4v Diagram, f. 5r Diagram, f. 5v Diagram, f. 6r Diagram, f. 6v

Later morocco over pasteboard binding with flap (Type II) that is too large for the textblock; blind tooled with a central mandorla and double frame, spine repaired; inscriptions inside front cover; text and tables visible on inside back cover.

Item is undated, possibly copied in Spain in the 14th or 15th century.

13--?-14--? Spain? Sold by Sam Fogg Ltd. (London) to Lawrence J. Schoenberg, June 2004. Deposit by Lawrence J. Schoenberg and Barbara Brizdle, 2013. Mathematics--Early works to 1800 Geometry--Early works to 1800 Geometry Mathematics Manuscripts, Arabic--14th century Manuscripts, Arabic--15th century Manuscripts, Medieval Codices (bound manuscripts) Diagrams Treatises Early works