London, Wellcome Institute MS. 1298. 13 + 601 folios. 200x135mm. [Perugia.] 18th Century [c. 1700.] Julius de Boncambis. Libro lettera Q. A collection of alchemical treatises and extracts, with some receipts, in Italian and Latin. Illustrated with a number of rough pen drawings of alchemical apparatus. 1. f1-217 Geber. Summa perfectionis magisterii [in Italian.] 2. f218-234v Geber. De tinctura alba. 3. f234v-235v Arcanum lapidis [in verse.] 4. f235v-237 Pseudo-St Thomas Aquinas. Versus super lapidem. 5. f238-273 Hortulanus. Practica. 6. f273-280 [Nicolas Barnaud.] Quadrigae auriferae. f280-308 [Alchemical receipts, etc.] 7. f309-312 Rosarius. Scientia et practica pretiosissimi lapidis philosophorum Rosarii... 8. f312v-326 Rosa aurea. f226v-333 [Alchemical receipts, etc.] 9. f333-350 Frater Elias. De compositione lapidis. f350v-428 [Alchemical receipts, etc., including section on artificial gems.] 10. f429-473 R. Lullius. Apertorium. f473-512 [Alchemical receipts in Italian and Latin.] 11. f513-558 Basilius Valentinus. Ex Curru Triumphali Antimonii. [Extracts from the Rome edition of 1666, and Venice edition of 1689.] 12. f559-593 Basilius Valentinus. Testamentum. [Extracts.] 13. f594-601 A. B. S. Vincenzo. Opera ad oro o argento.