Diagram from BL Harley 3735, f. 38v
Detail of a diagram showing the phases of the moon, illustrating Johannes de Sacro Bosco's Computus. Image taken from f. 38v of Various calendarial and computistical treatises. Written in Latin.
Detail: from BL Sloane 263, f. 50v
Image taken from f. 50v of Astronomical treatises (ending imperfectly). Written in Latin.
Detail: from BL Sloane 263, f. 47v
Image taken from f. 47v of Astronomical treatises (ending imperfectly). Written in Latin.
Diagram from BL Harley 3735, f. 23
Diagram illustrating Johannes de Sacro Bosco's Tractatus de sphaera. Image taken from f. 23 of Various calendarial and computistical treatises. Written in Latin.
Diagram of the sun from BL Harley 3735, f. 18
Detail of diagrams with the movements of the sun around the earth, illustrating Johannes de Sacro Bosco's Tractatus de sphaera. The cities of Rome and Paris are depicted in the diagram on the right. Image taken... More
Decorated initial and diagrams from BL Arundel 332, f. 66
Decorated initial 'N' and diagrams illustrating the text of John Holywood. Image taken from f. 66 of Various theological and mathematical tracts, including the prose life of Cuthbert, incomplete (ff. 74-101v), ... More
Detail from BL Harley 3735, f. 74
Detail of an astronomical diagram illustrating Robert Grosseteste's De sphaera. Image taken from f. 74 of Various calendarial and computistical treatises. Written in Latin.
Detail: from BL Sloane 263, f. 2v
Image taken from f. 2v of Astronomical treatises (ending imperfectly). Written in Latin.
Detail: from BL Sloane 263, f. 50v
Image taken from f. 50v of Astronomical treatises (ending imperfectly). Written in Latin.
Detail from BL Harley 3735, f. 81v
Detail of an astronomical diagram showing an eclipse of the moon, illustrating Robert Grosseteste's De sphaera. Image taken from f. 81v of Various calendarial and computistical treatises. Written in Latin.
Illuminated initial from BL Harley 3735, f. 17
Detail of an illuminated initial 'T'(ractatus) at the beginning of Johannes de Sacro Bosco's Tractatus de sphaera. Image taken from f. 17 of Various calendarial and computistical treatises. Written in Latin.
Table from BL Harley 3735, f. 15v
Table concerning the zodiac signs and movements of the moon in a treatise attributed to Robert Grosseteste 'Lincolniensis'. Image taken from f. 15v of Various calendarial and computistical treatises. Written in Latin.
The Sphere of the Sun from BL YT 36, f. 147
Miniature of Dante and Beatrice in the sphere of the sun being greeted by Aquinas and Albertus Magnus, while ten other great intellectural authorities (the Doctors of the Church) are seated below, including Bed... More
Illuminated initial from BL Harley 3735, f. 17
Illuminated initial 'T'(ractatus) at the beginning of Johannes de Sacro Bosco's Tractatus de sphaera. Diagram of the heavenly spheres. Image taken from f. 17 of Various calendarial and computistical treatises. ... More
Decorated initials from BL Sloane 263, f. 50v
Decorated initials 'A'(quila) and 'D'(elphin), in an Astronomical treatise. Image taken from f. 50v of Astronomical treatises (ending imperfectly). Written in Latin.
Diagram of eclipses from BL Harley 3735, f. 27
Detail of diagrams showing eclipses of the sun and moon, illustrating Johannes de Sacro Bosco's Tractatus de sphaera. Image taken from f. 27 of Various calendarial and computistical treatises. Written in Latin.
Detail from BL Harley 3735, f. 82
Detail of an astronomical diagram showing an eclipse of the sun, illustrating Robert Grosseteste's De sphaera. Image taken from f. 82 of Various calendarial and computistical treatises. Written in Latin.
Decorated initial and diagram from BL Sloane 263, f. 47v
Decorated initial 'SE'(cedens) and diagram, in an Astronomical treatise. Image taken from f. 47v of Astronomical treatises (ending imperfectly). Written in Latin.
Hare from BL Harley 2506, f. 41v
Drawing of the Hare [Lepus], with the stars marked as red dots. Image taken from f. 41v of Phaenomena (also known as the Aratea). Written in Latin.
Swan from BL Harley 2506, f. 38
Drawing of the Swan, or Bird (Cygnus). Image taken from f. 38 of Phaenomena (also known as the Aratea). Written in Latin.
Drawing from BL Harley 2506, f. 43v
Drawing of Ara, the Altar. Image taken from f. 43v of Phaenomena (also known as the Aratea). Written in Latin.
Text page from BL Harley 2506, f. 37v
Text page. Image taken from f. 37v of Phaenomena (also known as the Aratea). Written in Latin.
Capricorn from BL Harley 2506, f. 39
Drawing of the constellation Capricorn, with the stars picked out as red dots. Image taken from f. 39 of Phaenomena (also known as the Aratea). Written in Latin.
Canis Major from BL Harley 2506, f. 44v
Drawing of the constellation the dog, Canis Major, with the stars picked out as red dots. Image taken from f. 44v of Phaenomena (also known as the Aratea). Written in Latin.
Centaur and Hydra from BL Harley 2506, f. 44
Drawings of the constellations Centaur (Centaurus), stretching his hand towards the Altar, holding the Beast (Fera), and below, the Hydra. Image taken from f. 44 of Phaenomena (also known as the Aratea). Writt... More
Drawing from BL Harley 2506, f. 40v
Drawing of Delphinus, the Dolphin, with the constellations marked as red dots. Image taken from f. 40v of Phaenomena (also known as the Aratea). Written in Latin.
Aquarius from BL Harley 2506, f. 36
Detail of a drawing of the constellation Aquarius. Image taken from f. 36 of Phaenomena (also known as the Aratea). Written in Latin.
Text page from BL Harley 2506, f. 45
Text page. Image taken from f. 45 of Phaenomena (also known as the Aratea). Written in Latin.
Eagle from BL Harley 2506, f. 40
Detail of drawing of the eagle, with the constellations marked as red dots. Image taken from f. 40 of Phaenomena (also known as the Aratea). Written in Latin.
Orion from BL Harley 2506, f. 41
Drawing of Orion and his dog. Image taken from f. 41 of Phaenomena (also known as the Aratea). Written in Latin.
Image from BL Harley 2506, ff. 42v-43
Image taken from ff. 42v-43 of Phaenomena (also known as the Aratea). Written in Latin.
Arrow and eagle from BL Harley 2506, f. 40
Drawing of an arrow, and of an eagle, with the constellations marked as red dots. Image taken from f. 40 of Phaenomena (also known as the Aratea). Written in Latin.
Pisces from BL Harley 2506, f. 36v
Drawing of the constellation Pisces, with the stars picked out as red dots. Image taken from f. 36v of Phaenomena (also known as the Aratea). Written in Latin.
Image from BL Harley 2506, f. 42v
Image taken from f. 42v of Phaenomena (also known as the Aratea). Written in Latin.
Drawing from BL Harley 2506, f. 37
Drawing of Perseus holding Medusa's severed head, with red dots for the constellations. Image taken from f. 37 of Phaenomena (also known as the Aratea). Written in Latin.
Crucifixion from BL Add 34652, f. 5
Full page image of the crucifixion with the Virgin, St John, the sun and moon. Image taken from f. 5 of One leaf from the Anglo-Saxon Chronicle: the preface with West-Saxon genealogy from Cerdic (494) to Alfred... More
Paradise: five souls and the moon from BL Eg 943, f. 132v
Framed miniature of Beatrice, Dante, five female souls, and the moon. Image taken from f. 132v of Divina Commedia (index Divine Comedy): Inferno, Purgatorio, Paradiso, with a short Latin commentary; the Capitol... More
Paradise: the heaven of the moon from BL Eg 943, f. 131
Framed miniature of Dante, Beatrice, and the heaven of the moon. Image taken from f. 131 of Divina Commedia (index Divine Comedy): Inferno, Purgatorio, Paradiso, with a short Latin commentary; the Capitolo (ff... More
Roundels of popes and rulers from BL Harley 3461, f. 75v-76
Roundels of popes and rulers. Image taken from f. 75v-76 of A 'history of events', imperfect (ff. 1-92v); ruled folios with added sketches (ff. 93-100v); and a poem on astronomy, astrology, and geography (ff. 1... More
f. 279v, displayed as an open bifolium with f. 280: notes from BL Arun...
Notes, mathematical calculations and diagram entitled 'prespectiva', on 'caustic' pyramids, mechanics (with reference to Archimedes), astronomy and mechanics. Image taken from f. 279v of Notebook ('The Codex Ar... More
f. 94v, displayed as an open bifolium with f. 97: diagrams and sketch ...
Notes and diagrams on the luminosity of the Moon, entitled 'Della luna'; notes and sketch of an egg. Image taken from f. 94v of Notebook ('The Codex Arundel'). Written in Italian.
Marginal drawings from BL Harley 1735, f. 8
Marginal drawings of Moses and a pious woman born on the twelfth day of the moon, with verses concerning good and bad luck. Image taken from f. 8 of John Crophill's commonplace book with astrological prognostic... More
Diagram of the phases of the Moon from BL YT 31, f. 55v
Diagram of the phases and course of the Moon, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 55v of Breviari d'Amor (Catalan prose version). Written in Spanish (Catalan), with some Hebrew... More
Heaven and Earth from BL YT 36, f. 130
Detail of a miniature of Beatrice explaining to Dante that the universe is a hierarchy of being, with creatures devoid of reason in the early 'sea of being', and heaven as nine spheres rules by the figure of lo... More
Heaven of the Moon from BL YT 36, f. 131
Miniature of Dante and Beatrice visiting the inhabitants of the heaven of the moon. Image taken from f. 131 of Divina Commedia (index Divine Comedy). Written in Italian.
Volvelle from BL Harley 941, f. 29v
Volvelle for calculating Easter, other movable feasts, Sunday letters, the Golden Number and the leap year, with a figure (a woman?) in the centre. Image taken from f. 29v of A literary and scientific miscellan... More
Sun and Moon trees from BL Harley 4979, f. 61
Detail of a miniature of the Sun and Moon trees prophesying Alexander's reign and death, with a phoenix in the dry tree. Image taken from f. 61 of Roman d'Alexandre (index Romance of Alexander), in prose, with ... More
Saturn and Jupiter from BL YT 31, f. 51v
Detail of a miniature of the planet Saturn, represented as an elderly man holding a sickle; miniature of the planet Jupiter, incorrectly represented as a fully-robed woman (this miniature should actually be rep... More
Diagram from BL Harley 2407, f. 57
Astrological drawing of the sun, moon, and Zodiac constellations. Image taken from f. 57 of Miscellaneous treatises on alchemy, including John Lydgate's 'The Churl and the Bird' (the latter imperfect at the beg... More
Notes and diagrams from BL Arundel 263, f. 25
Notes and diagrams illustrating Leonardo's study of water, astronomy and optics (1508). Image taken from f. 25 of Notebook ('The Codex Arundel'). Written in Italian.
Heaven of the Moon from BL YT 36, f. 131
Detail of miniature of Dante and Beatrice visiting the inhabitants of the heaven of the moon. Image taken from f. 131 of Divina Commedia (index Divine Comedy). Written in Italian.
Cosmological diagram of the spheres from BL YT 31, f. 66
Circular diagram of the spheres of the Ptolemaic system, including the four elements, the seven planetary spheres, and the sphere of fixed stars, with four angels surrounding them, in Matfré Ermengau of Béziers... More
f. 104, displayed as an open bifolium with f. 107v: sketches and diagr...
Notes, diagrams and sketches on astronomy and the Sun, Moon and Earth. Image taken from f. 104 of Notebook ('The Codex Arundel'). Written in Italian.
The temple of God and the woman in glory from BL Add 38842, f. 3
Full page with a two-column miniature of the temple of God and the ark within (right); the woman in a glory, with the moon under her feet (right); Image taken from f. 3 of Apocalypse with commentary in French p... More
Portrait sketch from BL Harley 3461, f. 100
Added sketch, possibly a self-portrait. Image taken from f. 100 of A 'history of events', imperfect (ff. 1-92v); ruled folios with added sketches (ff. 93-100v); and a poem on astronomy, astrology, and geography... More
Fox and ape from BL Eg 1121, f. 12v
Miniature of a fox and ape; the fox is wondering why the ape rejoices in the full moon above, at the beginning of Chapter 9 of Book 1. Image taken from f. 12v of Spiegel der Weisheit. Written in German.
Lunar eclipse from BL YT 31, f. 53
Diagram of a lunar eclipse, with spheres representing the sun, the moon, and Earth, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 53 of Breviari d'Amor (Catalan prose version). Written i... More
Cosmological diagram from BL YT 31, f. 45
Diagram showing distances within the sublunar sphere, with angels turning the handles of the poles, by which it is turned, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 45 of Breviari d'... More
Beatrice from BL YT 36, f. 132
Miniature of Beatrice explaining some scientific theories to Dante, including the appearance of the moon. Image taken from f. 132 of Divina Commedia (index Divine Comedy). Written in Italian.
Crucifixion from BL Harley 3461, f. 49
Large roundel of the Crucifixion and a smaller roundel of the pope. Image taken from f. 49 of A 'history of events', imperfect (ff. 1-92v); ruled folios with added sketches (ff. 93-100v); and a poem on astrono... More
Virgin and Child from BL Arundel 285, f. 198v
Detail of a woodcut of the Virgin and Child, within a rosary, and with the sun and moon. Image taken from f. 198v of Collection of Scottish poetry. Written in English, Scots, some headings in Latin.
Seven Spheres from BL YT 36, f. 169
Miniature of Dante and Beatrice before the Seven Spheres of Man. Image taken from f. 169 of Divina Commedia (index Divine Comedy). Written in Italian.
Diagram of the phases of the Moon from BL YT 31, f. 55v
Detail of a diagram of the phases and course of the Moon, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 55v of Breviari d'Amor (Catalan prose version). Written in Spanish (Catalan), with... More
Creation from BL Harley 616, f. 1
Detail of a section of a six-part miniature of the days of Creation, of God creating the sun and moon and the birds and animals, at the beginning of Genesis. Image taken from f. 1 of Bible (Genesis-Psalms), imp... More
Beatrice from BL YT 36, f. 132
Detail of a miniature of Beatrice explaining some scientific theories to Dante, including the appearance of the moon. Image taken from f. 132 of Divina Commedia (index Divine Comedy). Written in Italian.
Seven Spheres from BL YT 36, f. 169
Detail of a miniature of Dante and Beatrice before the Seven Spheres of Man. Image taken from f. 169 of Divina Commedia (index Divine Comedy). Written in Italian.
f. 94, displayed as an open bifolium with f. 97v: diagrams from BL Aru...
Notes and diagrams concerning Leonardo's study on the Moon, entitled 'Della luna'. Image taken from f. 94 of Notebook ('The Codex Arundel'). Written in Italian.
Saturn and Jupiter from BL YT 31, f. 51v
Miniature of the planet Saturn, represented as an elderly man holding a sickle; miniature of the planet Jupiter, incorrectly represented as a fully-robed woman (this miniature should actually be representing th... More
Fox and ape from BL Eg 1121, f. 12v
Detail of a miniature of a fox and ape; the fox is wondering why the ape rejoices in the full moon above, at the beginning of Chapter 9 of Book 1. Image taken from f. 12v of Spiegel der Weisheit. Written in German.
Astrological sphere from BL YT 31, f. 49v
Detail of a wheel-shaped miniature of the sphere, inscribed with the poles, cardinal points, twelve signs, and course of the sun, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 49v of Bre... More
Astrological sphere from BL YT 31, f. 49v
Wheel-shaped miniature of the sphere, inscribed with the poles, cardinal points, twelve signs, and course of the sun, in Matfré Ermengau of Béziers's Breviari d'Amour. Image taken from f. 49v of Breviari d'Amor... More
Heaven and Earth from BL YT 36, f. 130
Miniature of Beatrice explaining to Dante that the universe is a hierarchy of being, with creatures devoid of reason in the early 'sea of being', and heaven as nine spheres rules by the figure of love. Image ta... More
Diagram of the planets from BL YT 31, f. 70v
Circular diagram of the seven planets, each of which governs a day of the week, set around a wheel. Each planet is depicted as a human figure: the Sun as a woman with a flower, Venus swimming, Mercury with a ... More
Eclipses from BL Harley 531, ff. 11v-12
Diagrams of eclipses, with the earth in the centre and the sun in the outer orbit. In the upper diagram, labelled 'Eclipse of the moon', the earth casts its shadow on the moon, while in the diagram below, label... More
Diagram from BL Harley 531, f. 4v
Diagram. Image taken from f. 4v of Tractatus de sphaera (index De sphera), in a mathematical and scientific miscellany. Written in Latin.
Calendar from BL Harley 531, f. 26
Calendar page. Image taken from f. 26 of Tractatus de sphaera (index De sphera), in a mathematical and scientific miscellany. Written in Latin.
Diagram with serpent from BL Royal 12 C XVII, f. 40v
Detail of a circular diagram with a serpent biting its tail. Image taken from f. 40v of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise... More
Diagrams from BL Royal 12 C XVII, f. 67
Text page with diagrams in the margins. Image taken from f. 67 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tracta... More
Text page from BL Harley 1, f. 86
Text page with decorated initial 'I'(nter) with pen-flourishing and paraphs in red or blue. Image taken from f. 86 of Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect. Writte... More
Microcosmic man from BL Sloane 282, f. 18
Drawing of microcosmic man, bounded by the spheres of the four elements and the planets, taking the place of Earth in the centre. Image taken from f. 18 of Astrological-medical miscellany, including a calendar ... More
Genealogical diagram from BL Royal 20 A XVIII, f. 150v
Genealogical diagram, ink drawing of sword and decorated initial C. Image taken from f. 150v of Chronicle of England ( the 'Anonimalle Chronicle'). Written in French.
Circular diagram from BL Royal 12 C XVII, f. 45v
Detail of a circular diagram. Image taken from f. 45v of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de sp... More
Temptation by tournament from BL Royal 19 C I, f. 204v
Detail of a miniature of knights fighting during a temptation by tournament. Image taken from f. 204v of Breviari d'Amor. Written in French (Occitan) (Provencal).
Bloodletting zodiac man from BL Harley 3719, ff. 158v-159
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, medical, and... More
Man fighting a dragon from BL Royal 12 C XVII, f. 204
Historiated initial 'P'(atefit) with a man fighting a dragon and, in the lower margin, a hunter shooting at a rabbit. Image taken from f. 204 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlan... More
Diagram and initial from BL Sloane 389, ff. 1v-2
Diagram, and decorated initial. Image taken from ff. 1v-2 of Medical miscellany, including the Golden Table treatise (ff. 72-76v); the Golden Table of Pythagoras, imperfect (ff. 93-94v); regimen for diet and bl... More
Dancing from BL Royal 19 C I, f. 204v
Detail of a miniature of demons tempting people with dancing. Image taken from f. 204v of Breviari d'Amor. Written in French (Occitan) (Provencal).
Diagram from BL Eg 844, f. 64
Diagram. Image taken from f. 64 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin.
Decorated initial 'M'(inuciarum) from BL Royal 12 C XVII, f. 83
Detail of a decorated initial 'M'(inuciarum). Image taken from f. 83 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, ... More
Decorated initial and diagram from BL Arundel 25, f. 62
Initial 'N'(atura), table of chapters, and a circular diagram, with evidence of having been made using a compass. Image taken from f. 62 of Miscellaneous theological texts. Written in Latin.
Table from BL Eg 844, f. 6
Detail of a marginal lunar table. Image taken from f. 6 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin.
Seated man from BL Eg 844, f. 1
Illuminated historiated initial 'O'(mnia) of a seated man seated at a table. Image taken from f. 1 of Scientific miscellany, including Tractatus de Sphaera, Compotus, etc. Written in Latin.
Decorated initial from BL Royal 12 C XVII, f. 1
Decorated initial 'I' with a partial bar border, and a rabbit on the extender. Image taken from f. 1 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueni... More
Diagrams and decorated initial from BL Arundel 339, ff. 120v-121
Decorated initial 'I'(nter) and diagrams. Image taken from ff. 120v-121 of Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Reg... More
Lunar diagram from BL Royal 12 C XVII, f. 48
Lunar diagram. Image taken from f. 48 of Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo.., Treatise on arithmetic, Tractatus de sp[h]era, Compotus... More
Double course of the moon and central path of the sun from BL Royal 12...
Detail of a diagram of the double course of the moon and the central path of the sun. Image taken from f. 20v of Dragmaticon philosophiae, imperfect at the beginning and the end (index Dramaticon). Written in Latin.
Man holding an orb from BL Harley 4350, f. 4
Historiated initial 'I'(ntentio) of a man holding an orb at the beginning of Grosseteste's Computus correctorius, astronomical diagram at the bottom of the page. Image taken from f. 4 of Various astronomical an... More