CHAPTER VII

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THE PHILOSOPHY OF THE STEAM-ENGINE.

THE HISTORY OF ITS GROWTH; ENERGETICS AND THERMO-DYNAMICS 419

General Outline, 419; Origin of its Power, 419; Scientific Principles involved in its Operation, 420; the Beginnings of Modern Science, 421; the Alexandrian Museum, 422; the Aristotelian Philosophy, 424; the Middle Ages, 426; Galileo's Work, 428; Da Vinci and Stevinus, 429; Kepler, Hooke, and Huyghens, 429; Newton and the New Mechanical Philosophy, 430; the Inception of the Science of Energetics, 483; the Persistence of Energy, 433; Rumford's Experiments, 434; Fourier, Carnot, Seguin, 437; Mayer and the Mechanical Equivalent of Heat, 438; Joule's Determination of its Value, 438; Prof. Rankine's Investigations, 442; Clausius-Thompson's Principles, 444; Experimental Work of Boyle, Black, and Watt, 446; Robison's, Dalton's, Ure's, and Biot's Study of Pressures and Temperatures of Steam, 447; Arago's and Dulong's Researches, 447; Franklin Institute Investigation, 447; Cagniard de la Tour--Faraday, 447; Dr. Andrews and the Critical Point, 448; Donny's and Dufour's Researches, 448; Regnault's Determination of Temperatures and Pressures of Steam, 449; Hirn's Experiments, 450; Resume of the Philosophy of the Steam-Engine, 451; Energy--Definitions and Principles, 451; its Measure, 452; the Laws of Energetics, 453; Thermo-dynamics, 453; its Beginnings, 454; its Laws, 454; Rankine's General Equation, 455; Rankine's Treatise on the Theory of Heat-Engines, 456; Merits of the Great Philosopher, 456.

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