Glauber (Johann Rudolf) Pharmacopaeae Spagyricae, 3 parts in 1, Nuremberg, 1654-57; Des Teutschlandts Wohlfart, 2 parts in 1, Amsterdam, 1656-57; Tractatus de natura salium, Amsterdam, 1658; Tractatus de signatura salium, metallorum et planetarum, Amsterdam, 1658; Trost der Seefahrenten, Amsterdam, 1657, together in 1 vol., with all blanks and errata leaves as called for, contemporary vellum, lacking ties, 8vo

⁂ Good collection of early or first editions in German (subsequently published in Latin) of works by this important alchemist. The third work describes his discovery of sodium sulfate, or Glauber's salt. Further parts to the first and second work appeared later, but the parts contained in this volume are complete in themselves.