Glasgow University Library MS. Ferguson 67. xxxv + 182 folios. 174x108mm. 17th Century. Libro intitulato Il tesoro del mondo di Pietre Antonio Neri - che tratta di Alchimia con diverse figure, non solo di forni, uasi, et instrumenti chimici, ma altre figure intorno alle miniere di tutti i metalli. fviii- xix Indice [List of contents.] f xxvii [Coloured drawing of two flasks set upon furnaces.] f xxviii [Coloured drawing of water bath apparatus.] f1 - 40 [40 coloured drawings of alchemical process.] [Figures 1-4 are symbolic of the four elements using allegorical animal symbolism, figures 5 and 6 are labelled 'Arbor Solis' and 'Arbor Lunae' respectively. Figures 7-10 show laboratory work and are labelled 'Preparatio Lapidum', 'Preparatio Metallorum', 'Preparatio frugum vel plantarum', 'Preparatio Animalium'. Figures 11 and 12 are labelled 'Perfecta Natura...' and 'Perfecta Ars'. Figures 13-37 show a series of different furnaces and laboratory processes. Figure 38 and 39 show a number of different types of alchemical vessels. Figure 40 shows a method of filtration using a cascade of dishes linked by capilliary wicks.] [There are other coloured drawings of apparatus throughout the text on f53, 58v, 70v, 77, 79, 86v, 87, 88, 89, 90v, 92, 92v ,93, 135.] [The text consists of short sections, which appear to be alchemical recipes for preparing certain substances or undertaking particular processes.]