Collection of alchemical tracts formerly owned by Sir Kenelm Digby. Quarto. Bound in calf with fleur de lys motif on front and back covers and repeated 'KD' motifs on spine. At the front are 8 leaves that are blank except for the catalogue entry on the first recto, and there are 8 further blank leaves at the end. In addition to the archival foliation, various components are separately paginated. Early 17th century