Paris, Crochard, 1816. Without wrappers. In ""Annales de Chimie et de Physique"", Tome II, 2. Series, Cahier 3 (Juillet 1816). Pp. (217-) 328. (Entire issue offered with titlepage to tome II). Dulong & Petit's paper: pp. 240-263. Some brownspots to title-page and a stamp on verso. A few scattered brownspots.
Reference : 49609
First apperance of this (their first) joint paper, which initiated the recheches leading, the year after, to the ""Law of Dulong and Petit"", the connection between atomic weight and atomic heat.""In 1815 Dulong’s famous collaboration with the mathematical physicist Alexis Thérèse Petit began"" it produced three important memoirs on heat (of which this is the first). The best-known part of this work is the statement of the law of constant atomic heats that bears their names, .... They began with the fundamental problem of measuring quantities of heat, which involved a critical analysis of thermometric scales. In 1804-1805 Gay-Lussac had carried out a comparison of mercury and air thermometers between 0°C. and 100°C. Dulong and Petit extended the range of comparison up to 300°C. and found an increasing discrepancy between the two scales at higher temperatures."" (DSB).
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(Paris, Crochard), 1816. Without wrappers. In ""Annales de Chimie et de Physique"", Tome II, 2. Series, Cahier Juillet 1816. Pp. (217-) 328. Entire issue offered). The paper of Dulong & Petit: pp. 240-263. 5 leaves with a stamp in upper right corner. Some scattered brownspots.
First apperance of this, their (first) joint paper, which initiated the recheches leading to the the ""Law of Dulong and Petit"", the connection between atomic weight and atomic heat.""In 1815 Dulong’s famous collaboration with the mathematical physicist Alexis Thérèse Petit began"" it produced three important memoirs on heat (of which this is the first). The best-known part of this work is the statement of the law of constant atomic heats that bears their names, .... They began with the fundamental problem of measuring quantities of heat, which involved a critical analysis of thermometric scales. In 1804-1805 Gay-Lussac had carried out a comparison of mercury and air thermometers between 0°C. and 100°C. Dulong and Petit extended the range of comparison up to 300°C. and found an increasing discrepancy between the two scales at higher temperatures."" (DSB).