Roger Bacon : essays contributed by various writers on the occasion of the commemoration of the seventh centenary of his birth / collected and edited by A.G. Little.
- Date:
- 1914
Licence: In copyright
Credit: Roger Bacon : essays contributed by various writers on the occasion of the commemoration of the seventh centenary of his birth / collected and edited by A.G. Little. Source: Wellcome Collection.
418/442 page 406
![* Nunc investigandus est numerus celorum ; ’ Pars v, ‘ Terminata parte in qua investigavimus numerum.' MSS. Paris : Bibl. Mazarine 3576, f. gi3- : ‘ Incipit 2US liber communium naturalium qui est de celestibus uel de celo et mundo cuius hec est pars prima.’ Cap. 1, ‘ Prima igitur veritas.’ Oxford : Bodl. : Digby 76, ff. i~35v (sec. xiii), Com- pendium Philosophiae. Inc. * Prima igitur veritas circa corpora mundi est quod non est unum corpus continuum et unius nature.’ Ibid., f. 36, ‘ De corporibus coelestibus, sc. de zodiaco, sole/ &c. Inc. ‘ Habito de corporibus mundi prout mundum absolute constituunt ’ (written in 1266, probably an early draft made before Bacon had settled on the scheme of the Opus Majus). —Cf. Ashmole 393,1, f. 44 (sec. xv),c Veritates de magni- tudine . . . planetarum, Tractatus extractus de libris celi et mundi nobilissimi illius philosophi et doctoris S. theol. R. B. qui omnia rectificavit a tempore primorum auctorum astronomie usque ad tempus suum.’ F. 44v, ‘ Sequitur tractatus alius de eisdem libris celi et mundi ... de necessariis circulis in celo ymaginatis. . . . Primo igitur sciendum quod nullus cir[culus] secundum veri- tatem est in celo nisi gallaxa tantum.’1 * Printed by Robert Steele, Opera hactenus inedita, Fase. IV (Oxon., 1913). Liber hi. Alchemy, or ‘ De elementis et mixtis inanimatis ’. Cf. ‘ Excerpta ex libro sex scientiarum’ in Sanioris medicinae, &c. (Frankfurt, 1603), pp. 7, 8. ‘ Quarta vero scientia non modicam habet utilitatem ... et est Alchymia speculativa/ &c., and the following passage, pp. 9-16 : ‘ Idem Rogerus libro praedicto probat quod ex his cum adjutorio scientiae experi- mentalis/ &c. Liber iv. * De vegetabilibus et animalibus ’ (‘ Agriculture ’ and Medicine). Vol. IV. Metaphysics and Morals. A fragment of the Metaphysics only has hitherto been known. This was written in or before 1266, and much 1 Cf. Digby 183, f. 38. Alkindus de radiis stellarum ; ‘Omnes homines qui sensibilia sensu percipiunt ; ’ with marginal note, ‘ quod est extractum de libro Rogeri Bakun de celo et mundo, capitulo de numero celorum.’ Cf. Brit. Mus. Add. 8786, ff. iov-i2v : no title. Inc. * Numerus sperarum continentium.’](https://iiif.wellcomecollection.org/image/b28993949_0418.jp2/full/800%2C/0/default.jpg)
