Traité des sels, dans lequel on démontre qu'ils sont composés d'une terre subtile, intimement combinée avec de l'eau
Paris, Vincent, 1771 In-12 de XXIV et 480 pages ; basane marbrée de l'époque, dos à nerfs orné, tranches rouges (dos restauré). Item #YEG-512
Première édition française de ce texte du fondateur de la théorie du phlogistique. "Sthal was the originator of the phlogiston theory, which dominated chemistry until the end of the eighteenth century. He took the structure of his theory from Becher. Stahl elaborated from Becher's "second earth" a new chemical principle, phlogiston, a substance representing the principle of combustibility that combined with other chemical substances to form compounds. The flaws in the phlogiston theory are obvious and it did not survive the eighteenth century ; however, it served as an important link between the older chemical concepts and the new, an attempt to modify the existing intellectual framework in order to account for new experimental observations" ------ "By observation and experiments the author concluded that salts are an earth combined with water. Stahl also furnished details on the various combinations of salts, the accompanying phenomena and their causes". (Cole N° 1247) , DSB XII ; Duveen 561 ; Ferguson II 397.
Price: €500.00