RT Article T1 Astrolabes on Parchment: The Astrolabes Depicted in Alfonso X’s Libro del saber de astrologia and Their Relationship to Contemporary Instruments JF Medieval encounters VO 23 IS 1/5 SP 287 OP 310 A1 Fernández, Laura Fernández LA English PB Brill YR 2017 UL https://ixtheo.de/Record/1565005457 AB This article analyses the relationship between text and image in one of the most important scientific manuscripts commissioned by Alfonso x the Learned, El Libro del saber de astrologia (Ms. 156 bh Complutense University, Madrid). The main topic deals with the depiction of astrolabes in the four treatises devoted to this instrument in the codex, and the connexion established between the real astrolabes, the depicted ones, and the written sources used by the Alfonsine team. K1 ALFONSO X : Libro del Saber de Astrologia : medieval astrolabes : scientific illuminated manuscripts DO 10.1163/15700674-12342249