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"between bodies differs from heat as we have defined it—1st, in not making the body hot through which it passes; 2nd, in being of many different kinds."
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Theory of HeatT
Theory of Heat
Theory of Heat
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The history of thermodynamics is a fundamental strand in the history of physics, the history of chemistry, and the history of science in general. Due to the relevance of thermodynamics in much of science and technology, its history is finely woven with the developments of classical mechanics, quantum mechanics, magnetism, and chemical kinetics, to more distant applied fields such as meteorology, i
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"A full account of the most important experiments on the effects of heat will be found in [Robert Vickers] Dixons Treatise on Heat (Hodges & Smith, 1849)."
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"The aim of this book is to exhibit the scientific connexion of the various steps by which our knowledge of the phenomena of heat has been extended."
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"If we make use of a thermometer... if the suns rays fall on it... while the air immediately surrounding the bulb is at a temperature below freezing. The heat... to which the thermometer... responds, is not conveyed... through the air, for the air is cold... The mode in which the heat reaches the body... without warming the air through which it passes, is called radiation."
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"Substances which admit of taking place through them are called Diathermanous. Those which do not allow heat to pass through them without becoming themselves hot are called Athermanous. ...If the body is not perfectly diathermanous it stops more or less of the radiation, and becomes heated itself, instead of transmitting the whole radiation to bodies beyond it."
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"The instrument by which quantities of heat are measured is called a ... sufficiently distinct from that of the word Thermometer. The method of measuring heat may be called Calorimetry."
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Theory of Heat
