British Library MS. Sloane 2173. Paper. Folio. 86 folios. 17th Century. Alchymical observations and extracts chiefly from the works of Roger Bacon, Raymund Lully, and Sir George Ripley; they are entitled, 'A book of Alchymy etc. Dive Leshe, a Polonian.' [Michael Sendivogius.] Amongst them however may be noticed the following:- 1. An alchymical treatise entitled, 'The composition of the two elixers [Moon] and [Sun] and the composition of the great elixir' etc. ff.26-34. Begins: 'take great bay salt as it is made out of the sea.' 2. An alchymical tract. Begins: 'Hermes sayeth it is a true thing.' ff.59-62. Reversing the volume:- 3. A short treatise on Alchymy. [Imperfect.] ff.56b-34b.