[2126] The quotations are from Professor D. E. Smith’s translation of Bacon’s Communia Mathematica as contained in Digby MS 76, fol. 57 (p. 130) and fol. 56 (p. 126).
[2127] From his Tractatus optimus super totam astrologiam as summarized in HL vol. 21, Notices succinctes sur divers écrivains, No. 27. Besides BN 7333 and 7334 the work is found in Amplon. Folio 393, fols. 22-43, and perhaps is the same as Amplon. Folio 386, fols. 1-25, speculum celeste. According to the Histoire Littéraire the treatise contains no judicial astrology, the word astrologiam being used in the meaning “astronomy” here.
[2128] Gasquet, 504-505; and Bridges, I, 31; see also Opus Tertium, Brewer, 59.
[2129] See page 632, note 1, and page 634, note 3.
[2130] In the Compendium Studii Philosophiae, written about 1272 (Brewer, 472). Mandonnet, Siger de Brabant, 40, rejects Bacon’s aspersions upon William’s translations. On William’s career and writings see HL XXI, 146.
[2131] Gasquet, 505: “Quamvis autem fatear quod plures sunt qui hec eadem que tracto possunt meliori modo quam ego vestre sapientie referre.”
[2132] Gasquet, 502.
[2133] Ibid., 504.
[2134] Ibid., 515; Opus Tertium, Brewer, 274, 275, 295. The writer of some astronomical tables for London in 1232 complains that the calendar year and feasts of the saints are in error: Duhem, III (1915), 234.
[2135] L. Baur, “Der Einfluss des Robert Grosseteste auf die Wissenschaftliche Richtung des Roger Bacon,” in Little, Essays (1914), 45.