38 - Alchemy - Klettenberg, Johann Hektor. The Unmasked Adeptus Realis, or A Sincere Warning to All Lovers of True Alchemy to Beware of All Sorts of Evil Alchemists and Laboratory Assistants, but Especially of the Adeptus Realis Who Emerged Last Year: Presented in the Form of a Dialogue. In which one may also clearly perceive the difference between a true adept and a false one. Leipzig, available at Groschuff’s bookstore, 1715. 31 pp. — Bound together with: II. (Kastell, Christoph Wilhelm de). The Adeptus Realis, Unmasked for the Second Time: How He Has Made Himself Well Known to the World as an Ineptus Realis, Both Through His Published Defamatory Pamphlet and Through His Previous Litigation Scheming. Published as a warning to all lovers of alchemy, and to demonstrate that one possesses precise knowledge of the prima materia, of his modo procedendi, as well as of the person and conduct of this money-hungry adept. Ibid., 1716. 31 pp. 18.5 x 11.5 cm. Stapled binding.

Alchemy - Klettenberg, Johann Hektor. The Unmasked Adeptus Realis, or A Sincere Warning to All Lovers of True Alchemy to Beware of All Sorts of Evil Alchemists and Laboratory Assistants, but Especially of the Adeptus Realis Who Emerged Last Year: Presented in the Form of a Dialogue. In which one may also clearly perceive the difference between a true adept and a false one. Leipzig, available at Groschuff’s bookstore, 1715. 31 pp. — Bound together with: II. (Kastell, Christoph Wilhelm de). The Adeptus Realis, Unmasked for the Second Time: How He Has Made Himself Well Known to the World as an Ineptus Realis, Both Through His Published Defamatory Pamphlet and Through His Previous Litigation Scheming. Published as a warning to all lovers of alchemy, and to demonstrate that one possesses precise knowledge of the prima materia, of his modo procedendi, as well as of the person and conduct of this money-hungry adept. Ibid., 1716. 31 pp. 18.5 x 11.5 cm. Stapled binding. I.: Brüning, Bibliography of Alchemical Literature 3600. — Dedication signed: M.W.K. This satire, apparently directed against Kastell and his “Adeptus,” has been attributed to Kastell himself on several occasions. Presumed author according to Brüning: Johann Hector von Klettenberg. At the end of the text is a “power of attorney” bearing the name August Friedrich Matthaei. - II.: Brüning 3601: “The first edition of Kastell’s response to Klettenberg’s ‘Entlarvter Adeptus’”—Untrimmed. —Untrimmed outer margin with small tears. *