(Paris, Imprimerie Royale, 1755). 4to. Extract from "Mémoires de Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans", Tome II. Pp. 412-434.
First printing of one of the 2 papers in which baron finally settled the composition of Borax. He showed that Borax is formed by the combination of soda with the substance (boric acid) previously called se sédatif.
Order-nr.: 45935