• Puzzle initial 'O'(mnia) with pen-flourishing and J-border. Added ownership inscription, 14th century :'Liber Johannis de Londoniis cum rosa'., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Decorated initials with pen-flourishing., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Text page with paraphs in red or blue., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Text page with decorated initial with pen-flourishing and paraphs in red or blue., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Text page with decorated initial 'I'(nter) with pen-flourishing and paraphs in red or blue., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Puzzle initial 'P'(rimo) with pen-flourishing at the beginning of 'Qu[ae]stio[n]es mathematicales'., Miscellaneous treatises on astronomy, astrology, mathematics and geometry, imperfect

and geometry, imperfect The Benedictine abbey of St Augustine, Canterbury: listed in its catalogue, no. 1147 (see Ker 1964).Johannes de London, a monk of St Augustine's Abbey, Canterbury: inscribed 14th century 'Liber Johannis de Londoniis cum rosa' (f. 47).Added foliation

• Decorated letters of the Greek alphabet with the names of letters in Latin above., The Pontifical of Guilelmus Durandus, Use of Mende

according to the handwritten annotations in the BL Manuscript Department's copy of ~Catalogue of the Manuscripts at Ashburnham Place: Appendix~ (London: Hodgson, 1853).Bertram Ashburnham, 5th earl of Ashburnham: his sale, May 1897, bought by Yates Thompson together with the entire

• Four-line musical notation with decorated initials., The Pontifical of Guilelmus Durandus, Use of Mende

according to the handwritten annotations in the BL Manuscript Department's copy of ~Catalogue of the Manuscripts at Ashburnham Place: Appendix~ (London: Hodgson, 1853).Bertram Ashburnham, 5th earl of Ashburnham: his sale, May 1897, bought by Yates Thompson together with the entire

• Illustration of chapters 11-13 of Heron's Pneumatics, of two men offering libations at an altar; a diagram of a vessel from which the contents flow when filled to a certain height; and a diagram of 'harmonius goblets', from which the contents flow by a liquid being poured into one only, each illustration very similar to those reproduced from Venice, Marciana MS 516, f. 171r-v in Pneumatics, Hall p. 123., Pneumatica (ff. 27-81v); De automatis (ff. 81v-100)

Iacobo Morelli, ~Bibliotheca Maphaei Pinellii Veneti~, 6 vols (Venice: Typis Palesii, 1787), III, no. 7951 (‘Ordinum Militarium Distributio, Graece’): his London sale, 2 March 1789, lot 12858, bought by Marsh for £2 17s.Charles Marsh (b. 1735, d. 1812), F.S.A.: his

• Detail of a bas-de-page drawing of Margaret, supported by angels, kneeling before Christ., Psalter ('The Queen Mary Psalter')

Detail of a bas-de-page drawing of Margaret, supported by angels, kneeling before Christ. Includes 150 Psalms (ff. 85-280) with a calendar of Sarum use (ff. 71v-83), canticles (ff. 280v-302) and litany (ff. 302v-318).Catchwords and quire signatures. 223 prefatory miniatures

• Decorated initial 'I' with a partial bar border, and a rabbit on the extender., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Calendar page (January)., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Decorated initial 'O'(mnia)., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Detail of decorated initial 'O'(minia)., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Detail of a table in the lower margin., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Detail of a celestial diagram., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Diagram and drawing of a ship on a globe in the lower margin., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Detail of an astronomical diagram in the lower margin., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Diagram of a solar eclipse., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and

• Decorated initial 'C'(ompotus)., Scientific miscellany, including Kalendarium Petri, Tabule Gerlandi, Tabula Petri Daci de loco lune inueniendo..., Treatise on arithmetic, Tractatus de sp[h]era, Compotus, Tractatus quadrantis veteris, Tables of the sun's place in the ninth sphere and of the sun's declination, Tractatus quadrantis noui compositus, Composicio quadrantis, Tractatus de minuciis philosophicis (a treatise on fractions), Tractatus de turketo (treatise on the torquetum, an astronomical instrument), Tractatus chilindri (on the astronomical cylinder), Astrolabium Messehallach, Theorica planetarum, Tractatus de spera solida

at Oxford (f. 150v).John Theyer (bap. 1598, d. 1673), antiquary: his monogram (f. 1).Robert Scott (b. c. 1632, d. 1709/10), London bookseller: included in the catalogue of John Theyer’s manuscripts in his possession, made in 1678 by William Beveridge and