London, Wellcome Institute MS. 2659. 424 folios. 195x160mm. 18th Century [1714-27] H., G.C. [Diary of an alchemist, contaning details of experiments, processes, etc.: from 22 June 1714 to 19th June 1715; and in greater detail from 10th March 1724 to 10th January 1727. [Mainly in German, but with some passages in cypher.] [MS. Wellcome 3757 and the notes in MS. Wellcome1764 , are in the same hand.] [Armorial book plate of Ignatius Dominicus, S.R.I., Comes de Chorinsky.]