• 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