TABLE OF CONTENTS. 



PART I. 



PHYSICS. 



PAGE 



ATOMS AND ATTRACTION, ... 11 

 LIGHT. Chemical action of 



Light, 15 



Theories, 15 



Laws, ...... 17 



Analysis of Light, . . 22 



HEAT. Nature and Sources, 25 



Communication of Heat, 30 



Changes effected by Heat, 48 



HEAT. Expansion, 



PAGE 



.... 50 



.... 61 



Vaporization, .... 66 



Boiling, ...... 77 



ELECTRICITY AND MAGNETISM, . 99 



Galvanism, ..... 103 



Batteries, ...... 114 



Galvanic Decomposition, 117 

 Magnetic Telegraph, . .124 



PART II. 



CHEMICAL PHILOSOPHY. 



ELEMENTS, . 

 MIC CONSTITUTION, . 

 EXPLANATION OF SYMBOLS, 

 LAWS OF COMBINATION, . , 



PAGE 

 . 129 



129 

 . 132 



134 



PAGE 



PROPERTIES OF ACIDS AND BASES, 137 

 EFFECT OF SOLUTION, . . . 138 

 ELECTRICAL CONDITION OF THE 



ELEMENTS, 138 



