94 - VIGENÈRE (Blaise de). TREATISE ON FIRE AND SALT. Paris, Abel L'Angelier, 1618. In-4, fawn calfskin, double gilt fillet framing on the covers, ribbed spine decorated with gilt panels and fleurons, title label, edges speckled with red (contemporary binding); (2) ff., 267 pp. Foxing, water stains, a 2-cm cut at the bottom of the title page, small paper losses not affecting the text in the margins of the first two folios, 2 old handwritten bookplates in brown ink on the title page, including “Francisci Puel Dubaguet advocat”; the other, at the bottom, is crossed out—Split joints, some leather loss, and worn corners. FIRST EDITION of this “sought-after treatise, a curious blend of alchemy, Kabbalah, and mysticism, in which one finds the method for making gold” (Caillet). A lovely steel-engraved vignette on the title page. “This treatise, which recounts a considerable number of experiments, is also a commentary on the texts of the ancient philosophers and primarily on the Zohar.” (Dorbon). From the LIBRARY of the Marquis DADVISARD, with a heraldic bookplate pasted on the inside front cover. ¶ Caillet, III-11161 - Dorbon, 5129.