British Library MS. Sloane 3689. Paper. Quarto. 43 folios. 17th century. A Volume similar to the last, containing Alchymical processes and observations taken from different books. 1. 'The practis Zakaer under an allegoricall speache'. ff.3-5. This is the third part of the work of Dionysius Zacharius entitled Opusculum philosophae naturalis metallorum, printed in Latin in the Theatrum Chemicum, Vol I, p.815. 2. 'The second part of the Theoryk of Zakare'. ff.8b-14. Printed ibid. in Latin, Vol I. p.808. Begins: 'Proinde concludere vere possumus'. 3. 'The declaration of certayne philosophicall wordes or sayings'. f.15. 4. 'The theorick of Treverensis'. ff.16-20. Printed in the Theatrum Chemicum, In Latin, being the latter end of the second part of the work by Bernardus Trevisanus, De Chemico miracula, Vol. I. p.758. 5. 'Traverences of the esones of metalls'. ff.21-31. Printed ibid., in Latin, being the third part of the same treatise by Bernardus Trevisanus, Vol I, p.866. 6. 'Geber's Testament'. ff.31b-35. Begins: 'Reverent father it is wrytten in the commentarye that whatsoever dothe worke'. 7. 'An Epistle dedicatorye of one doctor William Gratoroll, phisicion who translatyd the boke of Bernardus Earll of Trevers owt of the French into Lattyn and dedicatyd it to one Doctor Gallus Echenrewter', dat. 5 April 1567. f.35b. 8. The answer to the foregoing epistle. ff.36-38.