• Decorated initial 'R'(egistrum) with penwork decoration of leaves, at the beginning of the cartulary of John Blaunchard., Cartulary of John Blaunchard

f. 62 to the end. Cartulary of John Blaunchard John Blaunchard, archdeacon of Worcester (reigned 1371-1383), relating to the manor of Barford St Martin, Wiltshire.William George Richard Stanley (b. 1655, d. 1702), 9th earl of Derby (see Davis 1958).Phillip Carteret

• Decorated initial 'R'(egistrum) with penwork decoration of leaves, at the beginning of the cartulary of John Blaunchard., Cartulary of John Blaunchard

f. 62 to the end. Cartulary of John Blaunchard John Blaunchard, archdeacon of Worcester (reigned 1371-1383), relating to the manor of Barford St Martin, Wiltshire.William George Richard Stanley (b. 1655, d. 1702), 9th earl of Derby (see Davis 1958).Phillip Carteret

• null, Facsimile of the Vatican Virgil (Rome, Vatican, Bibliotheca Apostolica, Cod. Vat. 3867) (index Virgilius; Vergilius; Vergil)

lot 419; bought by Lansdowne for twenty guineas.William Petty (~formerly~ Fitzmaurice) (b. 1737, d. 1805), 2nd earl of Shelburne and 1st marquess of Lansdowne, prime minister: his book-plate (inside upper cover); purchased by the British Museum together with 1244 other

• null, Facsimile of the Vatican Virgil (Rome, Vatican, Bibliotheca Apostolica, Cod. Vat. 3867) (index Virgilius; Vergilius; Vergil)

lot 419; bought by Lansdowne for twenty guineas.William Petty (~formerly~ Fitzmaurice) (b. 1737, d. 1805), 2nd earl of Shelburne and 1st marquess of Lansdowne, prime minister: his book-plate (inside upper cover); purchased by the British Museum together with 1244 other

• Puzzle initial 'E'(t) with pen-flourished decoration and marginal diagram at the beginning of book 3 of Geber's 'De astronomia'., A collection of astronomical and mathematical treatises and tables, including Abd-al-Rahman al-Sufi's catalogue of stars (ff. 1v-6v), Geber's 'De astronomia', in the Latin translation by Gerard of Cremona (ff. 8-84v) and commentary on Ptolemy's Almagesta (ff. 85-123), Jordanus's 'Liber phylotegni de triangulis' (ff. 123-130), Wallingford's 'Tractatus Albionis' (ff. 140-157), astrological tables (ff. 157-164), Al-Zarkali's 'Opus astrolabii' (index Saphea), in Latin translation possibly by William the Englishman (ff. 165-173), and Boethius's 'De institutione musica', extract (ff. 175r-v)

Act of Parliament that also established the British Museum; the Harley manuscripts form one of the foundation collections of the British Library. Puzzle initial and diagram Abd-al-Rahman al-Sufi, Geber (index Jabir Ibn Aflah) (attributed to), Jordanus de Nemore, Richardof