British Library MS. Sloane 2547. Paper. Quarto. 53 folios. 17th Century. 1. Tractatus 'de chimia seu chimiatura' in 73 chapters with preface. ff.2-42. Preface begins: 'Generatim ac veluti compendiario quodam sermone per tractaturus'. [First Chapter begins: 'Chimia est ars ab Altissimo creata, et in natura collecta'. Ends: 'Finis tractatiuli chimici D.D.H.E'.] 3. 'Nota mineralium et aliarum rerum chymicarum'. f.46. 4. Index tractatus de chimia seu chimiatura praememorati. f.47.