Oxford, Bodleian Library, Ashmole 1796
s. XIVmed (probably in or shortly after 1349, see North, II, 314-315).
Or.:St Albans Abbey (cf. f. 108v: ‘Hic est liber Sancti Albani’, in a contemporary hand which may well be that of the scribe; f. 22v: ‘Liber subsacriste Sancti Albani, quondam fratris Iohannis Loukyn’, same ex-libris repeated f. 119v, 130r and 160r; for the people involved, see North, II, 311-312).
Prov.:‘Ex dono Thomae Barton de Middleton alias Milton iuxta Sittingbourne in com. Cant. Gen. [Milton, Kent]’ (inner front cover, 17th c.).
Parchment, 201 f., one main hand, decorated initials.
Astronomy and astrology: Johannes de Harelbeke, Tractatus de spera solida (1r-15r); ‘Incipit tractatus de mediis coniunctionibus et oppositionibus…’ (15r-16v); Richard of Wallingford, Exafrenon pronosticacionum temporis (17r-30v); ‘De naturalibus effectibus planetarum. Nota quod omnis planeta proicit radios sue virtutis sperice…’ (30v-34r); ‘Debilitas stellarum est casus, exicium, exilium, applicatio ad corruptam…’ (34r-36r); Roger of Hereford, De quatuor partibus iudiciorum astronomie (36r-38r); ‘Ad proiciendum eclipsim Solis. Primo accipiatur vera hora coniunctionis…’ (38r-40r); Pseudo-Messahallah, De compositione astrolabii (40v-55v); John Maudith (?), Ars et operatio novi quadranti (55v-76v); ‘Generalis doctrina ad inveniendum quamlibet equacionem cuiuslibet argumenti. Quando oportet intrare bis in aliquam tabulam…’ (76v-77r); Richard of Wallingford, Tractatus horologii astronomici (77r-83v), with tables (84r-90r); William Rede, Oxford tables (90v-111v, including canons f. 90v-94r); ‘Ars componendi tabulam diversitatis aspectus in quovis climate. Prima linea que est linea numeri continebit…’ (112r-113v), with tables (114r-116v); ‘Fiat triangulus rectangulus quod est triangulus
Bibl. W. R. Black, A Descriptive and Critical Catalogue of the Manuscripts Bequeathed unto the University of Oxford by Elias Ashmole, Oxford, 1845, 1505-1509; O. Pächt, J. J. G. Alexander, Illuminated Manuscripts in the Bodleian Library, Oxford, III: British, Irish, and Icelandic Schools, Oxford, 1973, 67 (no. 752); J. D. North, Richard of Wallingford: An Edition of His Writings with Introduction, English Translation and Commentary, Oxford, 1976, II, 310-315 and passim.
173r–175v
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‘Liber quem edidit Tebit filius Chore de hiis que indigent exposicione antequam legatur … [blank]. Equator diei est circulus maior qui describitur super duos polos orbis — opposicioni erunt sic retrogradi.’ |
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