Detail of a diagram of the Ages of Man, the Humours, the Seasons and the cardinal points, in Sacrobosco, 'Compotus'. Image taken from f. 43 of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22- More
Tidal wheel showing the thirty-day lunar cycle in correspondence with the tides, with the earth at the centre of the diagram and four circles in the outer corners representing the four moons. Image taken from More
Diagram. Image taken from f. 39 of Diagram. Written in Latin. Sir Hans Sloane (1660-1753) was a physician and naturalist who played a crucial role in the development of British museums and libraries. Sloane wa More
Diagram. Image taken from f. 133v of Collection of tracts on magic. Written in Latin. Sir Hans Sloane (1660-1753) was a physician and naturalist who played a crucial role in the development of British museums More
An astrological diagram of the phases of the sun and moon, with vovelles. Image taken from f. 156 of Miscellany with various astronomical, calendrical, medical, and philosophical texts. Written in Latin. The " More
Detail of a diagram on the movement of Venus and Mercury, in a 'Theorica planetarum'. Image taken from f. 85 of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 ( More
A diagram of the sphere of life and death used in prognostication. Image taken from f. 175v of Miscellany with various astronomical, calendrical, medical, and philosophical texts. Written in Latin. The "BL Har More
Marginal diagram with an inscription 'Thule insula'. Image taken from f. 61v of Miscellany works on Computus and astrology. Written in Latin. The BL Royal Manuscript Collection, also known as the Royal Collect More
An adaptation of Macrobius’s map of the five zones, with North is at the top, and the cardinal points marked with crosses. The names 'hispania, alpes, gades, balearia, sardinia, Sicilia, egiptus and asia' were More
Detail of diagram of primary qualities and elements based on Aristotelian and Platonic theories. Image taken from f. 2 of Dragmaticon philosophiae, imperfect at the beginning and the end (index Dramaticon). Wri More
Detail of a miniature of a diagram of the seasons. Image taken from f. 54v of Breviari d'Amor. Written in French (Occitan) (Provencal). The BL Royal Manuscript Collection, also known as the Royal Collection, c More
Detail of marginal diagram. Image taken from f. 377 of Scholastic miscellany (see Notes for contents). Written in Latin.
Full-page diagram in the calendar. Image taken from f. 542v of Miscellany of biblical and other texts ('The Northern French Miscellany' or earlier 'the British Museum Miscellany'): including the Pentateuch, ~Ha More
Detail of a multiplication table, in Sacrobosco, 'Algorismus'. Image taken from f. 21 of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica More
Musical diagram. Image taken from f. 7v of Ritus canendi. Written in Latin. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British Library in London. The Harley Manuscrip More
Musical diagram. Image taken from f. 83 of Miscellany of treatises relating to computus and music, imperfect at the end, including Helperic's 'Liber de computo' (ff. 2-55v); Guido's 'Regulae rhythmicae' (ff. 55 More
Detail of a circular calendar diagram. Image taken from f. 127 of Miscellany works on Computus and astrology. Written in Latin. The BL Royal Manuscript Collection, also known as the Royal Collection, consists More
Detail of a diagram of the shape and strata of the universe, in Sacrobosco, 'De sphaera'. Image taken from f. 22v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292 More
Detail of a miniature of a diagram of the universe. Image taken from f. 34v of Breviari d'Amor. Written in French (Occitan) (Provencal). The BL Royal Manuscript Collection, also known as the Royal Collection, More
Annus communis' diagram with seasons and cardinal directions. Image taken from f. 65 of A Carolingian miscellany of computational and astronomical texts and tables, including decennovenal (19-year) cycles (ff. More
Figures and diagrams, in Sacrobosco, 'De sphaera' Image taken from f. 23v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' More
Circular diagram. Image taken from f. 102 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de sp[h]era, Comp More
Diagram. Image taken from f. 102v of Etymologies (index Etymologiae), with letters of correspondence between Isidore and Braulio (ff. 1-4), imperfect. Written in Latin. The "BL Harley Manuscript" refers to a c More
Text page with diagram of astrolabe. Image taken from f. 59v of De institutione musica; a miscellany of works on geometry, astronomy and mathematics. Written in Latin; Hebrew (f. 78). The BL Royal Manuscript C More
Diagram of a Cherub holding sword and crown, standing on a wheel, with clouds, sun, and storm. Image taken from f. 6 of ~Speculum Theologiae~ diagrams, Peter of Poitiers,~ Genealogia historiarum~, and biblical More
Detail of an astronomical diagram. Image taken from f. 44 of Breviari d'amor. Written in French. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British Library in London. More
Initials with pen-flourishing, in the canons for Toledan tables. Image taken from f. 116v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theor More
A volvelle, a device with a moveable disc rotating with a fixed matrix, with a pointing moveable index of the sun (here painted yellow to represent the sun) which could be set at the sign and degree of the zod More
Detail of diagram. Image taken from f. 67 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Ege More
Detail of text and diagram. Image taken from A, f. 155 of Opera omnia. Written in Latin.
Detail of an astronomical diagram. Image taken from f. 47v of Breviari d'amor. Written in French. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British Library in London More
Historiated initial 'Q'(uia) with a man holding a looking-glass (?), a bar-border sprouting with foliage, a hybrid creature and a hare; in the right column is a diagram for the geometrical demonstration (chords More
Diagram with the bodily humours, elements, etc. Image taken from f. 58v of Various astrological and computistical treatises, including a calendar (ff. 81-86v). Written in Latin. The "BL Harley Manuscript" refe More
Diagram. Image taken from f. 74 of Miscellany of tracts on magic, including The Divine Seal of Solomon (ff. 127v-137v). Written in Latin, English. Sir Hans Sloane (1660-1753) was a physician and naturalist who More
Diagram of a hand with tones, in the prologue of Musica manualis. Image taken from f. 6 of Musical miscellany, including the Musica manualis cum tonale; Thomas Walsingham's treatise on mensural music (ff. 97v–1 More
Initials with pen-flourishing, in Messahala, 'Astrolabium' (in the translation of John of Seville). Image taken from f. 79v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar table More
Diagram of musical theory, labelled 'Symphonia' near the top on the left, and 'Armonya' on the right, with their subdivisions, and men in towers and a crowned standing woman (Musica) in the centre. Image taken More
Diagram of the motion of the planets in Latitutde L including Venus, Marcury, Jupiter, Saturn, the Sun, Mars and the Moon. Image taken from f. 143v of Miscellany works on Computus and astrology. Written in Lati More
Diagram of an astrolabe. Image taken from f. 96 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de sp[h]era More
Detail of a diagram of the eclipse of the moon. Image taken from f. 20v of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named aft More
Diagram charting rainfall. Image taken from f. 40 of Commentary on Cicero's De somno Scipionis. Written in Latin. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British L More
Diagram illustrating the subdivision of philosophy into the seven liberal arts, i.e. grammar, rhetoric and dialectic, and arithmetic, geometry, astronomy and music. Image taken from f. 15v of Institutiones (ind More
Marginal diagrams. Image taken from f. 16 of De Philosophia, Astronomical treatises, Imago Mundi (f. 43), etc. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Egerton More
Diagram of the concentric orbits of the planets showing the periods of their revolution. Image taken from f. 94 of A Carolingian miscellany of computational and astronomical texts and tables, including decenno More
Illuminated initial 'C'(irculus) with a bar-border sprouting with foliage, a hybrid creature and a bird, at the beginning of a 'Theorica planetarum'; in the lower half of the page is a diagram on the movement o More
Diagram of a circular map of the world. Image taken from f. 145 of Etymologies (index Etymologiae), with letters of correspondence between Isidore and Braulio (ff. 1-4), imperfect. Written in Latin. The "BL Ha More
Diagram with a snake. Image taken from f. 11v of Fragment of an astronomical text on the signs of the zodiac (ff. 2-5v); on the planets, with diagrams (ff. 6-7); on astronomy, with diagrams and tables (ff. 7v-2 More
Diagram. Image taken from f. 19v of Theological miscellany, including provebial Latin poetry, and William of Waddington's Le Manuel des Pechiez (f. 81r-v); the 'Speculum theologie'. Written in Latin, English, a More
Diagram. Image taken from f. 19 of Theological miscellany, including provebial Latin poetry, and William of Waddington's Le Manuel des Pechiez (f. 81r-v); the 'Speculum theologie'. Written in Latin, English, an More
Circular diagram, with evidence of having been made using a compass. Image taken from f. 62 of Miscellaneous theological texts. Written in Latin. The Arundel Manuscript Collection was amassed by the Howard fam More
Detail of lower bar border with different animals holding various astronomical instruments. Image taken from f. 390v of Scholastic miscellany (see Notes for contents). Written in Latin.
Detail of a diagram of the zodiac. Image taken from f. 22v of Dragmaticon philosophiae, imperfect at the beginning and the end (index Dramaticon). Written in Latin. The BL Royal Manuscript Collection, also kno More
Drawings of a frog, snake, and eagle, on the left, and diagram with a man and woman embracing on the right. Image taken from ff. 15v-16 of Alchemical treatise and diagrams, fragmentary, English verse on alchemy More
Miniatures of two figures in two compartments, relating to the accompanying astrological tables. Image taken from f. 25v of Libellus geomancie (Book of Astrological Tables). Written in Latin. The BL Royal Manu More
Coloured initials and diagram. Image taken from f. 42 of Miscellany, including charms and incantations (ff. 52v-60v). Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas More
Calendrical diagrams. Image taken from f. 1v of Book of Hours, Use of Worms, with elements of a Breviary. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Egerton (154 More
Detail of a table in the lower margin. Image taken from f. 15 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractat More
Initial 'N'(otandus) with pen-flourishing. In the lower margin is a diagram representing the Ptolemaic model for the motion of a superior planet: The centre of the outer circle, which is inscribed with 'zodia More
Decorated headpiece and initial, and marginal diagram. Image taken from f. 2 of Commentary on Plato's Alcibiades. Written in Greek. The "BL Harley Manuscript" refers to a collection of medieval manuscripts hel More
Large diagram relating to family relationships, outlined in red or brown, with interlace and foliate decoration in green. Image taken from f. 103 of Etymologies (index Etymologiae), with letters of corresponden More
Diagram and drawing of a ship on a globe in the lower margin. Image taken from f. 18v of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatis More
Volvelle with three moving parts representing the zodiac, the sun, and the moon, and showing their relative positions and the moon's phases, and astronomical diagram. Image taken from f. 22 of Medical miscellan More
Miniature of an astronomical diagram of the moon (Luna). Image taken from f. 37 of Breviari d'amor. Written in French. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the Brit More
Calendrical diagram. Image taken from f. 2 of Book of Hours, Use of Worms, with elements of a Breviary. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Egerton (1540- More
Alchemical diagram. Image taken from f. 19v of Tractatus de sphaera (index De sphera). Written in Latin and English. The Egerton Manuscript Collection is named after its founder, Sir Thomas Egerton (1540-1617) More
Detail of a circular diagram. Image taken from f. 105v of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de s More
Diagram. Image taken from f. 63 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Trac More
Drawing of a knight on horseback, with a lance, with an account of Macrobius and his work, and opposite, various ownership inscriptions and the book-plate of Dunn. Image taken from f. 1 of Somnium Scipionis (ff More
Miniature of the Fall with the snake with a woman's torso and head, illuminated initial 'C'(onsiderans), diagram, and the ownership inscription of 'Johannis Sprotte', at the beginning of a genealogical chronicl More
Diagram of the seven tunics and three humours of the eye and the skull, labelled for the conjunctiva, cornea, uvea, albugineus (aqueous) humor, tunica aranea (interior capsule of the lens), cystalline humor or More
Detail of a circular diagram representing a map of the world (a so-called 'T-O' map). Image taken from f. 135v of Commentary on Phocas's Ars de nomine et verbo; Etymologiae and De nominibus legis et evangelii s More
Diagram. Image taken from f. 133 of Miscellany, including a calendar and astrological texts, including Roger's Hereford tables (ff. 77-87); excerpts from William of Conches's Dragmaticon philosophiae, and Danie More
Historiated initial 'S'(pera) decorated with a cockerell head and a dragon head, containing a man holding an astrolabe, at the beginning of Jordanus de Nemore's De plana sphaera; geometrical diagram in the marg More
Miniature of the earth in a circle, with personifications of the four cardinal points. Image taken from f. 23 of Tractatus de sphaera (index De sphera); Hippocras, De Contemptu Mundi; Astronomical treatises, et More
Diagram of an astrolobe. Image taken from f. 59 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thom More
Diagram. Image taken from f. 82 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Egerton (1540 More
Decorated initials and diagram. Image taken from f. 18 of Miscellaneous scientific treatises. Written in Latin. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British Lib More
Initials with pen-flourishing, in the canons for Toledan tables. Image taken from f. 99 of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theoric More
Diagram of the seven doves representing the seven gifts of the Holy Spirit, a knight on horseback (the 'Just Man') with the shield of faith and armed with virtues, and an angel. The armour of the knight and t More
Drawing of outline drawing of Scipio Africanus and Masinissa, under a colonnade. Image taken from f. 3 of Somnium Scipionis (ff. 3-7), with an 'Alfabetum Grecorum' (f. 1v), a diagram of consanguinity (f. 2). Wr More
Detail of an astronomical diagram in the lower margin. Image taken from f. 25v of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on ar More
Wind rose with the earth at the centre of the diagram. Image taken from f. 128v of A Carolingian miscellany of computational and astronomical texts and tables, including decennovenal (19-year) cycles (ff. 3v-8) More
Diagram with decorated bands. Image taken from f. 10 of De institutione musica; a miscellany of works on geometry, astronomy and mathematics. Written in Latin; Hebrew (f. 78). The BL Royal Manuscript Collectio More
Diagram of the harmony of the planets, marked with names of Saturn, Jupiter, Mars, Mercury, Venus, the Sun, and the Moon, with the page number '380' in Twysden's handwriting. Image taken from f. 191v of Metamor More
Diagram in the lower margin of Nicholas Trevet's Commentary on Boethius's De consolatione Philosophiae. Image taken from f. 13v of Commentary on Boethius' De consolatione Philosophiae. Written in Latin.
Diagram of the genealogy of Christ. Image taken from f. 37v of Theological miscellany, including the Compendium historiae in genealogia Christi (ff. 33-38v). Written in Latin. The "BL Harley Manuscript" refers More
Schematic plan of the city of Jerusalem and its surroundings, in the genealogy of Christ. Image taken from f. 39v of Theological miscellany, including the Compendium historiae in genealogia Christi (ff. 33-38v) More
Figures in Robertus Anglicus of Montpellier, 'Tractatus quadrantis veteris'. Image taken from f. 58v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-6 More
Detail of a diagram of the seven tunics and three humours of the eye and the skull, labelled for the conjunctiva, cornea, uvea, albugineus (aqueous) humor, tunica aranea (interior capsule of the lens), cystall More
Detail of a miniature of a bloodletting man with one foot in a bleeding pan and a spindle in his hand, with English captions. Image taken from ff. 158v-159 of Miscellany with various astronomical, calendrical, More
Diagram and initial 'E'(x) at the beginning of Book 4, Chapter 9 of Boethius' De institutione musica. Image taken from f. 34v of De institutione musica. Written in Latin. The "BL Harley Manuscript" refers to a More
Detail of diagram. Image taken from f. 34v of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named after its founder, Sir Thomas Eg More
Detail of diagram. Image taken from f. 127v of Miscellaneous scientific treatises. Written in Latin. The "BL Harley Manuscript" refers to a collection of medieval manuscripts held in the British Library in Lon More
Figures in Robertus Anglicus of Montpellier, 'Tractatus quadrantis veteris'. Image taken from f. 59 of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62 More
Text page with diagram. Image taken from f. 60 of De institutione musica; a miscellany of works on geometry, astronomy and mathematics. Written in Latin; Hebrew (f. 78). The BL Royal Manuscript Collection, als More
Detail of marginal astronomical table. Image taken from f. 8 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin. The Egerton Manuscript Collection is named after its foun More
Excerpt from the Toledan tables. Image taken from f. 168v of Astronomical miscellany including Sacrobosco, 'De sphaera' (ff. 22-33); Solar tables for 1292-95 (ff. 61-62v); 'Theorica Planetarum' (ff. 81-88); can More
Astronomical diagrams, including a roundel with two Franciscan friars and an angel. Image taken from f. 1v of Astronomical tables. Written in Latin. The "BL Harley Manuscript" refers to a collection of medieva More
Marginal diagram. Image taken from f. 127v of Miscellany works on Computus and astrology. Written in Latin. The BL Royal Manuscript Collection, also known as the Royal Collection, consists of over 2,000 manusc More