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CONTENT S.

PAGE

Definition of Axes of Elasticity-Strain-Stress-Potential Energy-

Coefficients of Elasticity-Symmetry, Polarised Light,

119–149

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X. ON THE RECONCENTRATION OF THE MECHANICAL

ENERGY OF TIE UNIVERSE.

Convertibility of the different kinds of Physical Energy - Interstellar

Medium-Diffusion, and probable Reconcentration of Radiant Heat,

200-202

XI. ON THE GENERAL LAW OF THE TRANSFORMATION OF

ENERGY.

Actual or Sensible Energy-Potential or Latent Energy-Conservation of

Energy--Transformation of Energy,

203-208

XII. OUTLINES OF THE SCIENCE OF ENERGETICS.

Physical Theory-Science of Mechanics-Mechanical Hypotheses-Science

of Energetics-Substance--Property-Mass-Accident--Effort-Work-

Equivalence of Energy and Work-Equality of Action and Reaction-

Potential Equilibrium-Transformation of Energy-Rate of Transforma-

tion-Metabatic Function-Carnôt's Function-Efficiency of Engines -

Diffusion of Actual Energy-"Frictional Phenomena”- Measurement of

Time,

209–228
307 - 309

XIX. ON THE MECHANICAL ACTION OF HEAT.

Properties of Expansive Heat-Heat Potential Properties of Temperature

-Hypothesis of Molecular Vortices—Sir Humphry Davy's Researches-

Thermic Phenomena of Currents of Elastic Fluids,

310-338

XX. ON THE GEOMETRICAL REPRESENTATION OF THE

EXPANSIVE ACTION OF HEAT, AND THE THEORY

OF THERMODYNAMIC ENGINES.

Introduction of Indicator.Diagram and Diagrams of Energy—Isothermal
Curves-Curves of No Transmission of Heat-Total Actual Heat-Latent
Heat of Expansion-Law of the Transformation of Energy-Thermo-
dynamic Functions-Curves of Free Expansion-Thomson and Joule's
Experiments--Velocity of Sound-Efficiency of Thermodynamic Engines

General Formulæ for all Fluids—Efficiency of Projection-Full-pressure

Steam Gun-Expenditure of Water and Heat-Efficiency-Full-pressure

Dry Steam Gun, .

471-480

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