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.
425/442 page 413
![52. Speculum Alchemiae. Inc. ‘ Tract, sciende naturalis sive de lapide philosophorum . . . secundum fratrem Rogerum Bacon. Salutem [quam] tibi amice karissime et speculum.’ MSS. Brit. Mus. : Sloane 692, a. 115-7. Cambridge Univ. Lib. Ff. iv. 12, É. 267-71 (anon.). Cf. Bologna : Bibi. Univ. 1062 (see. xiv), ff. 34-6. Trac- tatus qui dicitur Speculum Baconis : inc. ‘ Salutem ’ : expl. ‘ valete ’. Cf. Leyden : Bibi. Univ. Q. 27, Chim. Voss. 64. 53. Speculum Secretorum, or Liber Secretorum de spiritu occulto. Inc. ‘ In nomine Domini ... ad instructionem [instan- tiam] multorum.’ MSS. Brit. Mus. : Sloane 513, ff. 178^-81, ‘ Explicit liber secretorum quem Rogerus Bakun composuit.’ Sloane 1081, ff. 178-98 (see. xv) : Sloane 1118, ff. 50-6 (see. xv). Oxford : Bodl. 177, f. 54v (see. xiv ex.), anon. : Digby 28, f. 61; Digby 119, f. 90v ; Ashmole 1467, ff. 2o8v-i3v (see. xvi) ; 1485, p. 117. Corpus Christi Coli. 125, f. 86 (anon.). Cambridge : Univ. Lib. Ff. iv. 12, f. 298v, followed by ‘ Cedula declarativa Magistri Rogeri Bacon ’ : inc. ‘ Quia diximus in speculo secretorum V Florence : Riccardi 390, ff. 138-44, followed by Liber claritatis Rog. Bacon : inc. ‘ De libro claritatis totius artis alchimie ’ (ff. i44v~5ov). Cf. Florence, Bibi. Naz., Pal. 758 (see. xv), 885 (see. xvi), 887 (see. xvi). Printed in Sanioris Medicinae, &c., at Frankfurt, 1603 (pp. 387-408). 54. Secretum secretorum naturae de laude lapidis philosophorum.2 Inc. ‘ Secretum secretorum naturae audiant secreti quae loquor.’ MS. Oxford : Bodl. : Digby 119, ff. 80-1 (sec. xiv in.). Printed at Frankfurt, 1603 (pp. 285-91). Cf. Leyden : Bibi. Univ. Q. 27, Chim. Voss. 64. Roger Bacon, Theoretica de lapide philosophorum. 55. Radix mundi, or Tractatus alchemicus de lapide philosophico.3 Inc. ‘ Omnium corpora constancium tam perfecta quam imperfecta.’ 1 Cf. Ashmole 1478, ff. 39-40 (see. xvi), ‘ Cedula declarativa Baconis. Amice, in istis consistit difficultas operis nostri.’ 2 Winchester College 39 (sec. xv), ff. 33-40, has anon. treatise beginning : ‘ Quesivisti quis trium lapidum nobilior.’ 3 Tanner, Bibi. p. 64, mentions a MS. of Roger Bacon De philosophorum lapide at Pembroke College, Cambridge : it is not there now.](https://iiif.wellcomecollection.org/image/b28993949_0425.jp2/full/800%2C/0/default.jpg)
