367 - Occulta - Alchemy - Beuther, David. Two Rare Chemical Treatises. In which are revealed not only all the secrets of the art of assaying, of ores and their smelting, but also the possibility of transmutation, of base metals into better ones; clearly demonstrated. Published for the first time from an old, rare book written between the years 1514 and 1582. Accompanied by this author’s “Universal,” or “Complete Account of True Alchemy.” Leipzig, Martini, 1717. 8 leaves, 218 pp., 6 leaves, 58 pp. 16.5 x 10.5 cm. Marbled cardboard binding of the period (heavily rubbed, rear joint restored).

Occulta - Alchemy - Beuther, David. Two Rare Chemical Treatises. In which are revealed not only all the secrets of the art of assaying, of ores and their smelting, but also the possibility of transmutation, of base metals into better ones; clearly demonstrated. Published for the first time from an old, rare book written between the years 1514 and 1582. Accompanied by this author’s “Universal,” or “Complete Account of True Alchemy.” Leipzig, Martini, 1717. 8 leaves, 218 pp., 6 leaves, 58 pp. 16.5 x 10.5 cm. Marbled cardboard binding of the period (heavily rubbed, rear joint restored). First edition. - Caillet I, 1123 - Darmstaedter, Bergb. 104 - Ferguson I, 105 - VD18 10312846. - “The Probier-Kunst,” the editor notes, “was copied by a pupil of Beuther’s from his private books and had never been published before. Consequently, there has been doubt as to whether or not it is by Beuther, and Kopp goes only so far as to say that the book appeared under his name.” (Ferguson I, 106). Includes in the appendix Beuther’s “Universal, Und Vollkommener Bericht Von Der hochberühmten Kunst der Alchymie,” first published in 1631. – Bookplate on the inside cover; some brown spots in places. *