Johannes de Sacro Bosco, Algorismus. Decoration: 1 historiated initial 'Q'(uoniam) in colours and gold of a scholar teaching, at the beginning of the text (f. 17r) 2 diagrams in brown and red ink with green washes (ff. 20v-21r).
Johannes de Sacro Bosco, De sphaera. Decoration: 1 historiated initial 'T'(ractatum) in colours and gold of a scholar holding an astrolabe and addressing his students, at the beginning of the text. Numerous diagrams relating to the astronomy and geometry of the sphere, in brown and red ink w...
Johannes de Sacro Bosco, Computus. Decoration: 1 historiated initial 'C'(ompotus) in colours and gold of a scholar teaching, at the beginning of the text. Diagrams in brown and red ink, some with green washes (ff. 34v, 36v, 39v (in a shape of the Uroboros), 42r, 43r, 45r, 53r).
'Quardrans secundum modernos' attributed to Robertus Anglicus of Montpellier
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'Quardrans secundum modernos' attributed to Robertus Anglicus of Montpellier, incipit: 'Geometriae due sunt partes...', with a declination table with a note for use in Paris (f. 60v) and solar tables for the years 1292-95 (ff. 61r-62v). Decoration: 1 historiated initial 'G'(eomatrie) in colour...
Messahala (Masha ’Allah Ibn Athari), Astrolabium,in the Latin translation by John of Seville. Decoration: 1 historiated initial 'S'(cito) in colours and gold of a scholar teaching about celestial bodies, at the beginning of the text. 2 foliate initials in colours and gold (ff. 75v, 80r). Seve...
Theorica planetarum attributed to Gerard of Cremona
Scope & Content:
Theorica planetarum attributed to Gerard of Cremona. Decoration: 1 illuminated foliate initial 'C'(irculus) in colours and gold, at the beginning of the text. 6 circular planetary diagrams in brown and red ink with green and yellow washes (ff. 81r, 82r, 82v, 83v, 85r, 85v), and 1 unfinished...
Thebit ben Corat (Thabit bin Qurra), De motu octavae sphaerae
Scope & Content:
Thebit ben Corat (Thabit bin Qurra), De motu octavae sphaerae. Decoration: 1 illuminated foliate initial 'I'(maginabor) in colours and gold, at the beginning of the text (f. 88r). 1 diagram in red ink illustrating movements of the sphere (f. 90r).
Thebit ben Corat (Thabit bin Qurra), De hiis quae indigent expositione antequam legitur Almagestum
Scope & Content:
Thebit ben Corat (Thabit bin Qurra), De hiis quae indigent expositione antequam legitur Almagestum. Decoration: 1 illuminated foliate initial 'E'(quator) in colours and gold, with a partial border and a monkey eating a fruit, at the beginning of the text (f. 91r).