CONTENTS 



THE FORCES OF MATTER 



AG1 



LECTURE I. THE FORCE OF GRAVITATION 5 



LECTURE II. GRAVITATION COHESION 21 



LECTURE III. COHESION CHEMICAL AFFINITY 36 



LECTURE IV. CHEMICAL AFFINITY 50 



LECTURE V. ELECTRICITY 62 



LECTURE VI. THE CORRELATION OF THE PHYSICAL FORCES . 75 



THE CHEMICAL HISTORY OF A CANDLE 



LECTURE I. A CANDLE : THE FLAME ITS SOURCES STRUC- 

 TURE MOBILITY BRIGHTNESS 89 



LECTURE II. BRIGHTNESS OF THE FLAME AIR NECESSARY 

 FOR COMBUSTION PRODUCTION OF WATER 104 



LECTURE III. PRODUCTS: WATER FROM THE COMBUSTION 

 NATURE OF WATER A COMPOUND HYDROGEN . . .117 



LECTURE IV. HYDROGEN IN THE CANDLE BURNS INTO 

 WATER THE OTHER PART OF WATER OXYGEN . . . 133 



LECTURE V. OXYGEN PRESENT IN THE AIR NATURE OF THE 

 ATMOSPHERE ITS PROPERTIES OTHER PRODUCTS FROM 

 THE CANDLE CARBONIC ACID ITS PROPERTIES .... 147 



LECTURE VI. CARBON OR CHARCOAL COAL-GAS RESPIRA- 

 TION AND ITS ANALOGY TO THE BURNING OF A CANDLE 

 CONCLUSION 163 



ON THE CONSERVATION OF FORCE 



INTRODUCTION TO A SERIES OF LECTURES DELIVERED AT 

 CAW.SRUHE IN THE WINTER OF 1862-1863 i8r 



HC 1 VOL. XXX A 



