London, Wellcome Institute MS. 445. 11 folios. 235x160mm. Late 15th Century. Raymundus Lullius. Testamenti compendium quod alias apertorium nuncupatur. Item experimentorum vel declaratorium. Lapidarium. Commentum [incomplete.] [Pen drawn diagrams in red, are in part reproduced in 'Theatrum Chemicum' Vol. IV, pp1-170.]