a) 'Cap 1.', text beginning 'Quomodo metalla generantur', in Latin, c. 1,200 words, 3 pp.

b) 'Cap 3 De radice semine spermate et corpore mineralium', in Latin, c. 1,200 words, 3 pp.

c) 'Cap 3 De Mineralibus ex quibus lapis desumitur', in Latin but including an English verse extract from Thomas Norton, c. 3,500 words, 11 pp.

d) Untitled notes on mercury, lead, tin, sulphur and iron, in Latin and English, citing a very wide range of authors, c. 4,500 words, 14 pp.

e) 'De Mercurio duplato', in Latin, 4 pp., with the sub-headings: 'Ex Turba', 'Ex Artephio', 'Ex Bernardo Trevisano', 'Ex Flamelli Annotationibus'; followed by an earlier draft also headed 'De [mercurio] duplato' (1 p.) and notes out of Dionysius Zacharias (1 p.); in all c. 1,600 words.

f) 'De conjunctione in hora nativitatis', in Latin and English, c. 2,500 words, 8 pp.

Originally enclosed in a wrapper bearing a list of contents, which has somehow found its way into Keynes Ms 30 (f. 1).

Sections (e) and (f) are wrongly described in the Sotheby catalogue as 5 and 4 pp. respectively.