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

the foundation collections of the British Library. Illuminated initial Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

foundation collections of the British Library. Drawing and tables Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

the foundation collections of the British Library. Illuminated initial Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Drawings Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Drawings Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Table Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

the foundation collections of the British Library. Text page Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Detail Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Detail Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

the foundation collections of the British Library. Decorated initial Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Detail Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Detail Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

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

of the foundation collections of the British Library. Tables Various authors including Bede, Johannes de Sacro Bosco (index Johannes de Sacrobosco, John de Sacrobosco), Robertus Anglicus (index Iohannes Anglicus de Montepessulano; Robertus Anglicus of Montpellier), Robert Grosseteste (index Lincolniensis) England

• Text page with coloured initials and line-fillers, and a portion of a message written in the margin by Lady Jane Grey to her father, the Duke of Suffolk: 'the lorde comforte youre grace and that in his worde whearen all creatures onlye are to be comforted and though…' (continued on f. 78v)., Lady Jane Grey's Prayer book

of Henry Grey, duke of Suffolk, wife of Lord Guilford Dudley, proclaimed queen in 1553: given by her to Sir John Bridges, the Lieutenant of the Tower, moments before her execution on 12 February 1554. Marginal notes in her hand

• Text page with coloured initials and line-fillers, and a portion of a message written in the margin by Lady Jane Grey to her father, the Duke of Suffolk (continued from f. 78v): '… that you have loste them but truste that we by leasinge this mortall life have wanne [won] an immortal life and I for …' (continued on f. 79v)., Lady Jane Grey's Prayer book

of Henry Grey, duke of Suffolk, wife of Lord Guilford Dudley, proclaimed queen in 1553: given by her to Sir John Bridges, the Lieutenant of the Tower, moments before her execution on 12 February 1554. Marginal notes in her hand

• Text page with coloured initials and line-fillers, and a portion of a message written in the margin by Lady Jane Grey to her father, the Duke of Suffolk (continued from f. 78): '… it hathe pleased god to take awaye ij of youre children yet thincke not I moste humblye beseche youre grace…' (continued on f. 79)., Lady Jane Grey's Prayer book

of Henry Grey, duke of Suffolk, wife of Lord Guilford Dudley, proclaimed queen in 1553: given by her to Sir John Bridges, the Lieutenant of the Tower, moments before her execution on 12 February 1554. Marginal notes in her hand

• Text page with coloured initials and line-fillers, and a portion of a message written in the margin by Lady Jane Grey to her father, the Duke of Suffolk (continued from f. 79): '… my parte as I have honoured youre grace in thys life will praye for you in this life …' (continued on f. 80)., Lady Jane Grey's Prayer book

of Henry Grey, duke of Suffolk, wife of Lord Guilford Dudley, proclaimed queen in 1553: given by her to Sir John Bridges, the Lieutenant of the Tower, moments before her execution on 12 February 1554. Marginal notes in her hand

• Text page., Miscellany works on Computus and astrology

bishop of Lincoln, repeating a former request sent by Hue de Val-Laumosnier, signed at Ockham, 8 March; a letter to John de Tingewyke, keeper of Whittlewood forest, written at Medborne, 9 March; a letter to Gautier de Beauchamp, 'seneschal', perhaps

• Text page., Miscellany works on Computus and astrology

bishop of Lincoln, repeating a former request sent by Hue de Val-Laumosnier, signed at Ockham, 8 March; a letter to John de Tingewyke, keeper of Whittlewood forest, written at Medborne, 9 March; a letter to Gautier de Beauchamp, 'seneschal', perhaps

• Table of the finger calculations of the Computus., Miscellany works on Computus and astrology

bishop of Lincoln, repeating a former request sent by Hue de Val-Laumosnier, signed at Ockham, 8 March; a letter to John de Tingewyke, keeper of Whittlewood forest, written at Medborne, 9 March; a letter to Gautier de Beauchamp, 'seneschal', perhaps