Becher, Johann. Experimentum Chymicum Novum quo artificalis et instantanea metallorum generatio…demonstratur… Frankfurt; Zunneri, 1671. 6.5" x 4" bound in 8s. 172 pp. Bound in period full speckled calf with gilt devices and title in gilt over compartments. Binding with average wear, minor loss at head and tail of spine, front hinge cracked, toning throughout, Very Good. ************************ First edition of this scarce alchemical work. Among other things, it describes a method of creating iron from a combination of clay and linseed oil. It has appeared at auction only once since 1980, and that appearance was of this same copy. Provenance: Engraved armorial bookplate of Joseph Bally to front pastedown.