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John de Rupecissa. De consideratione quintae essentiae

Reference code
MSS/0012
Title
John de Rupecissa. De consideratione quintae essentiae
Date
15th century
Level of description
item
Extent and format
Vellum; ff. i + 72 (lacks leaf before fol. 9). Octavo. Contemporary binding, white leather over wooden boards. One clasp (later). Woodworm treated, 1867, by John Tuckett (letter tipped on back pastedown).
Scope and content
De consideratione quintae essentiae, the treatise on alchemy by John de Rupescissa. Written in England. Title (fol. i) and explicit in a different contemporary hand. Catchwords and some signatures visible. Marginal drawing of a glass furnace, fol. 8v. See D. W. Singer and A. Anderson, Catalogue of Latin and Vernacular Alchemical Manuscripts in Great Britain and Ireland, I (1928), 269-74, who list thirty-six MSS. Ker, MMBL, I (1969), 296.
Previous reference number(s)
SAL/MS/12