Città del Vaticano, O, Cod. 2273 Century 16 Language Latin Material Chart. No. of columns 1 col. Printed catalogs John F. Daly, Charles J. Ermatinger, "Mathematics in the Codices Ottoboniani Latini", Manuscripta 9 (1965), 23 Source Daly, Ermatinger Type of source cat. Source’s source insp. Work 1Author standard Euclides | Giorgio Valla | Hypsicles Title (standard) Interpretatio Euclidi Incipit Basilides tyrius o protarche cum venisset alexandriam patrique nostro familiaris ... Publ. descriptions M. E. Cosenza, Biographical and Bibliographical Dictionary of the Italian Minuskelumanists and of the World of Classical Scholarship in Italy, 1300-1800 (5 vols; 1962), IV, 3545-9 Item no. 1 Folio no. 5r-28r Rubric Hypsiclis in deputatum Euclidi volumen Interprete Georgio Valla Placentino Prolog (1r-4v) Georgius Valla placentinus Illustri principi Alberto pio Carpensi salutem pl(urimam) d(icit)... Explicit ... ita recta linea qualicunque extrema et media ratione secta quae potest totam et maius segmentum ad eam quae potest totam et minus segmentum. T & K TK 174 Work 2Author standard Euclides | Giorgio Valla Title (standard) Elementorum XIV liber Incipit Ad datum cubum pyramida describere est datus cubus ABCD EFGH in quo oportet pyramida inscribere ... Item no. 2 Folio no. 28v-49v Rubric Euclidis elementorum quartus decimus liber Georgio Valla Placentino interprete Explicit ... nam quod KL perpendicularis maior est dimidia ML dictum est ut in elementis hoc demonstratum est. Other passages Following item 2 are translations by Giorgio Valla of treatises on the astrolabe by Gregoras Nicephorus and Proclus T & K TK 35
