London, Wellcome Institute MS. 3657. 87 folios. 200x160mm. 19th Century [1832-47.] [A collection of manuscipts on Alchemy by T.I.N. This is a notebook of a practising alchemist, and includes notes of the writer's own experiments, as well as translated extracts from alchemical authors.] [The first seven leaves contain transcripts of two pieces by Sigismund Bacstrom.] 1. Bacstrom's Declaration made on the occasion of his initiation into the Brethren of the Rosy Cross.] 2. Bacstrom's account of 'Mr. Yardley's Process'.