Oxford, Bodleian Library, Selden supra 94 Additional shelfmarks 3100* Old shelfmarks Selden supra 94 Century 15/I Place of origin England Language Latin Owner’s notes The name of Thomas Randes M.A. is on 120 (s. 16), cf. p. 180. "Lib. Bibl: Bodlianae ex dono venerabilis viri Ed: Bish Armigeri, in Coll. Heraldorum Armorum Regis . April. vii Ann. M.DC.LVIII." in Barlow's hand. Previous owners A note of Dr. Gerard Langbaine is on 257. Material Membr. Height × width 6 1/8 x 4 1/4 in. No. of leaves pp. vi + 284 Initials etc. With illuminated capitals, &c. Printed catalogs F. Madan & H.H.E. Craster, A summary catalogue of western manuscripts in the Bodleian Library at Oxford II 1 (1922) 651-2 # 3482. Source Madan & Craster (1922) Type of source cat. Source’s source insp. Work 1Title (ms.) Works by Roger Bacon, among which are: Work 2Author standard Roger Bacon Title (ms.) Tractatus de sciencia experimentali Incipit Corpora uero Ade Additional remarks Really an extract from the sixth part of the Opus Majus. Folio no. 256- Rubric Tractatus Rogeri de sciencia experimentali Colophon Explicit tractatus fratris Rogeri Bakon.