Rotographs of:-(1) Oxford, Bodl. Lib., MS. Digby 67, ff. 117-124b, a fragment of the Summa de sophismatibus et distinctionibus;-(2) ibid., MS. Digby 204, ff. 48-75b, the treatise Summulae dialectices, attributed to Bacon, but perhaps by Robert Kilwardby or Petrus Hispanus (see Glorieux, op. cit....
Rotographs of two manuscripts of the Summa grammaticae of Roger Bacon, viz.:-Cambridge, Peterhouse, MS. 191, ff. 30-52 (with enlarged reproductions of ff. 30-34) and Worcester Cathedral, MS. Q. 13, ff. 5-25.
Rotographs of Paris, Bibl. Nat., MS. lat. 16617, ff. 2-64, the treatise Introductiones in Logicam, attributed to William of Durham, but perhaps by William of Lincoln (see Glorieux, op. cit., i, p. 290).
Rotographs of works not by Bacon, viz.:-(1) Paris, Bibl. Nat., MS. lat. 6514, ff. 101b-120, the Liber secretorum of al-Razi;-(2) ibid., MS. lat. 7378, ff. 67-77, containing an astrological treatise, a treatise De luna, etc.;- (3) Oxford, Bodl. Lib., MS. Digby 40, ff. 52-89, the De astronomia o...
Rotographs of works not by Bacon, viz.:-(1) Oxford, Bodi. Lib., MS. Digby 119, ff. 194b-197, containing the Hermetic De arte alchimiae, etc.;-(2) Oxford, Corpus Christi College, MS. 125, ff. 77b-80, the Expositio Galieni super Hermetem;-(3) Oxford, Bodl. Lib., MS. Ashmole 396, ff. 48-56, an Engl...
Rotographs of fourteen pages of MS. 8 in the possession of Wilfred M. Voynich, alleged to contain the cypher of Roger Bacon (ff. 1-56 of the MS. are reproduced in MS. Facs. 461), together with related correspondence, notes and articles. See Seymour de Ricci and W. J. Wilson, Census of Medieval a...
PACIFIC EXPLORATION: Rotographs (from Add. MS. 8955) of the autograph journal of a voyage to the Pacific Ocean by Lieut. James Burney with Capts. James Cook and C. Clerke; 1776-1780.