Contents:Forces of Matter;Chemical History of a Candle by Michael Faraday.On the Conservation of Force;Ice and Glaciers;by Hermann Von Helmholtz.The Wave Theory of Light;The Tides by Sir William Thomson.The Extent of the Universe by Simon Newcomb.Geographical Evolution by Sir Archibald Geikie.

THE FORCES OF MATTER
LECTURE I-THE FORCE OF GRAVITATION
LECTURE II-GRAVITATION_COHESION
LECTURE III-COHESION_CHEMICAL AFFINITY
LECTURE IV-CHEMICAL AFFINITY
LECTURE V-ELECTRICITY
LECTURE VI-THE CORRELATION OF THE PHYSICAL FORCES
THE CHEMICAL HISTORY OF A CANDLE
LECTURE I-A CANDLE:THE FLAME-ITS SOURCES-STRUC-TURE-MOBILITY-BRIGHTNESS
LECTURE II-BRIGHTNESS OF THE FLAME-AIR NECESSARY FOR COMBUSTION-PRODUCTION OF WATER
LECTURE III-PRODUCTS:WATER FROM THE COMBUSTION-NATURE OF WATER-A COMPOUND-HYDROGEN
LECTURE IV-HYDROGEN IN THE CANDLE-BURNS INTO WA-TER-THE OTHER PART OF WATER-OXYGEN
LECTURE V-OXYGEN PRESENT IN THE AIR -NATURE OF THE ATMOSPHERE-ITS PROPERTIES-OTHER PRODUCTS FROM THE CANDLE-CARBONIC ACID-ITS PROPERTIES
LECTURE VI-CARBON OR CHARCOAL-COAL-GAS-RESPIRA-TION AND ITS ANALOGY TO THE BURNING OF A CANDLE-CONCLUSION
ON THE CONSERVATION OF FORCE
INTRODUCTION TO A SERIES OF LECTURES DELIVERED AT CARLSRUHE IN THE WINTER OF 1862-1863
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ICE AND GLANCIERS
THE WAVE THEORY OF LIGHT
THE TIDES
THE EXTENT OF THE UNIVERSE
GEOGRAPHICAL EVOLUTION