Cambridge, University Library MS. Ee. i. 13.
150 folios. Paper. 8vo. 15th Century.

10. f141v-148 [A treatise, with receipts, in Alchemy, in English.]
11. f148-150 On preparing the Philosophers' Stone. [On f140 are drawings of different descriptions of furnaces and retorts.]
[In the same handwriting as Camb. Univ. Lib. Dd. iv. 45.]