Cambridge, Trinity College MS. O.5.31. 37+1 folios. Paper. 352x254mm. Many rough drawings of chemical apparatus. 15th Century. 1. f1 [An alchemical tract.] [Rubric]: 'All the wisdom in the worlde cometh of our lorde gode Ihesu cryste, etc'. [A 16th Century note says that George Ripla [Pipley] is the author]. 2. f8 Liber turbe philosophorum. Capitulo primo. The sotell part is juste mater of all mettalles. 3. f12v Gemma salutaris. 4. f17v Here begynneth a compendeose abstrace of alkamy drawen oute of latyne, etc. [In 7 chapters]. 5. f27 Ripley's Twelve Gates.