• Puzzle initial 'M'(inuciaru[m]) with pen-flourishing developing into a 'J-border', at the beginning of a treatise on vulgar fractions attributed to Johannes Anglicus., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of a puzzle initial 'M'(inuciaru[m]) with pen-flourishing developing into a 'J-border', at the beginning of a treatise on vulgar fractions attributed to Robertus Anglicus., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of an illuminated initial 'G'(eometrie), at the beginning of Robertus Anglicus' Tractatus quadrantis veteris., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Drawing of a quadrant, illustrating Robertus Anglicus' Tractatus quadrantis veteris., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Illuminated initial 'D'(icto) in Robertus Anglicus' Tractatus quadrantis veteris., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Drawings and diagrams illustrating Robertus Anglicus' Tractatus quadrantis veteris. Added drawing of tower in the margin (?15th century)., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Drawings and diagrams at the end of Robertus Anglicus' Tractatus quadrantis veteris., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Table in Robertus Anglicus' Tractatus quadrantis veteris., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Statement as to the time of the vernal equinox in the year 1293., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of a decorated initial 'I'(ntencio) at the beginning of Robert Grosseteste's De sphaera., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of an astronomical diagram illustrating Robert Grosseteste's De sphaera., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of a decorated initial 'I'(ntencio) at the beginning of Robert Grosseteste's De sphaera., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of an astronomical diagram showing an eclipse of the moon, illustrating Robert Grosseteste's De sphaera., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Detail of an astronomical diagram showing an eclipse of the sun, illustrating Robert Grosseteste's De sphaera., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Text page with calendrical tables illustrating Robert Grosseteste's Computus correctorius., Various calendarial and computistical treatises

in red and blue with pen-flourishing in the same colours and 'J-border' extending along the text (f. 59). Smaller initials in red or blue with penwork decoration in the other colour. Paraphs in alternating red or blue. Some initials marked

• Diagram of the 'old quadrant' in Robertus Anglicus of Montpellier, 'Tractatus quadrantis veteris'., Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); canons for Toledan tables (ff. 97v-119v) and Toledan tables (ff. 120-194v).

94v, 95v, 97v, 197, 215). 12 large 'KL' letters in colours and gold (ff. 11-16v). Numerous initials in red or blue with pen-flourishing, frequently in the form of 'J-borders'. Numerous drawings and diagrams in brown and occasionally red, frequently with

• Drawing of an Astrolabe, in Messahala, 'Astrolabium' (in the translation of John of Seville)., Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); canons for Toledan tables (ff. 97v-119v) and Toledan tables (ff. 120-194v).

94v, 95v, 97v, 197, 215). 12 large 'KL' letters in colours and gold (ff. 11-16v). Numerous initials in red or blue with pen-flourishing, frequently in the form of 'J-borders'. Numerous drawings and diagrams in brown and occasionally red, frequently with

• Drawing of a mnemonic hand with six fingers, and Initial 'S'(equitur) with pen-flourishing, in Balduinus de Mardochio, 'Compotus manualis'., Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); canons for Toledan tables (ff. 97v-119v) and Toledan tables (ff. 120-194v).

94v, 95v, 97v, 197, 215). 12 large 'KL' letters in colours and gold (ff. 11-16v). Numerous initials in red or blue with pen-flourishing, frequently in the form of 'J-borders'. Numerous drawings and diagrams in brown and occasionally red, frequently with

• 'KL' letters in colours and gold in Petrus de Dacia, 'Kalendarium'., Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); canons for Toledan tables (ff. 97v-119v) and Toledan tables (ff. 120-194v).

94v, 95v, 97v, 197, 215). 12 large 'KL' letters in colours and gold (ff. 11-16v). Numerous initials in red or blue with pen-flourishing, frequently in the form of 'J-borders'. Numerous drawings and diagrams in brown and occasionally red, frequently with

• Historiated initial 'O'(mnia) with a man teaching, a bar-border sprouting with foliage and a grotesque, at the beginning of Sacrobosco, 'Algorismus'. A letter Q has been painted instead of the letter O., Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); canons for Toledan tables (ff. 97v-119v) and Toledan tables (ff. 120-194v).

94v, 95v, 97v, 197, 215). 12 large 'KL' letters in colours and gold (ff. 11-16v). Numerous initials in red or blue with pen-flourishing, frequently in the form of 'J-borders'. Numerous drawings and diagrams in brown and occasionally red, frequently with