GLAUBER, JOHANN RUDOLPH. The Works . . . Containing, Great Variety of Choice Secrets in Medicine and Alchymy, in the Working of Metallick Mines, and the Separation of Metals. 6 (of 7) engraved and 4 woodcut plates of chemical apparatus and processes. [12], 440; [4], 220; 92, [12] pages. Folio, late 19th-/early 20th-century buckram; paper toned and brittle with some chipping along edges, frontispiece remargined, title possibly supplied from another copy; ex-library, with bookplate, perforated stamp on title and elsewhere in text, and rubberstamp on verso of plates. London: Thomas Milbourn et al., 1689