St. Gallen, Kantonsbibliothek, Vadianische Sammlung, VadSlg Ms. 296 : Boethius, De arithmetica, De institutione musica

In the works 'De arithmetica' and 'De institutione' Boethius transmitted Greek mathematics and music theory to medieval readers. The polychrome schematic illustrations in this 12th century manuscript are particularly carefully made.