Mellon Collection, Yale University Library MS. 55. 123 folios. Paper. 318x197mm. 17th Century [c. 1630.] John Dastin. Speculum philosophiae; Liber mixtionum. [Illustrated with two coloured drawings. The first, is of an angel presenting an open book to a philosopher, a youthful limbed male deity below standing in a pool of water holding the sun and moon in his outstretched hands, plants growing around the pool with sun or gold symbols as flowers. The second, shows the Sun shining from the heavens on a mountain on the slopes of which are seen the symbols of gold and silver as well as zodiacal animals and a human figure ascending and carrying a pitcher, while birds fly in the surrounding air.]