by [WILDENHAYN, Franz]
Four folding engraved plates & one folding printed table. 2 p.l., -55 pp. 8vo, cont. speckled dark grey boards, flat spine gilt. Dresden: Walther, 1786. [bound with]: [-]. Abhandlung vom Pottaschsieden...Zweyter Theil. Two folding engraved plates. 8vo. Dresden: Walther, 1800. Second editions (1st eds.: 1771 & 1780) of these extremely rare works on the manufacture of potash employing different materials including wood and plant ashes. In various forms, potash has been used since the earliest days in bleaching textiles, making glass and soap, as a baking aid, and as a fertilizer. The fine plates depict furnaces, leaching pots, and other apparatus necessary to manufacture potash. Fine copy from the library of Dukes of Schönborn Buchheim with their engraved bookplate and label on upper cover. WorldCat locates only one copy in the U.S. ❧ Ferchl, pp. 580-81-(knowing of his other writings on potash but not this). Mantel, II, 185.
(Inventory #: 4808)