‎"AVOGADRO, (AMEDEO). - EXPANDING THE LAW OF PETIT & DULONG.‎
‎Nouvelles Recherches sur la Chaleur spécifique des Corps solides et liquides.‎

‎Paris, Crochard, 1834. No wrappers. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 57, Cahier Oct. Pp. 113-224 a. 1 folded engraved plate. (The entire issue offered with halftitle to tome 57). Avogadro's paper: pp. 113-148. Browning to halftitle. Smoe scattered brownspots.‎

Reference : 47415

‎First printing of this paper in which Avogadro analyzed the connection between specific heats and atomic weights of chemical compounds and liquids after Dulong and Petit has announced their discovery of a relationship between heats and atomic weights of substances (the Law of Petit & Dulong). Avogadro tries to expands their law onto compounds as well.‎