London, Wellcome Institute MS. 36. 111 folios. 210x150mm. Mid 15th Century. 1. ff1-50 [Alfarabi] Liber alchemicus. 2. ff51-70 [Alfarabi] Synonima arabico-latina. 3. ff71-75 G. Sedacerius. De vitro. 4. f76v-111 G. Sedacerius. Quadripartita de lapide philosophico.