CONTENTS xi 



CHAP. PAGE 



XII. INCREASE OF INERTIA DUE TO VERY RAPID 



MOTION, - .;.-*' ... - - 122 



XIII. JUSTIFICATION FOR ELECTRIC THEORY OF INERTIA, 129 



Proof of the Purely Electrical Nature of the 



Inertia of the /? Particles shot out by Radium, 131 



XIV. MORE ADVANCED DEVELOPMENT OF THE COM- 



BINED ELECTRIC AND MAGNETIC DEFLEXION 

 METHOD FOR MEASURING VELOCITY AND 

 MASS OF THE PARTICLES IN COMPOUND 



RAYS, - ... . . - 136 



Experimental Device used by W. Kaufmann, - 138 



XV. ELECTRIC VIEW OF MATTER, - 146 



XVI. ELECTRIC VIEW OF MATTER (continued), - - 152 



Nature of Cohesion, 152 



On Chemical and Molecular Forces, - - - 153 



Molecular Forces, Cohesion, - - - 155 



XVII. FURTHER CONSIDERATIONS REGARDING THE 



STRUCTURE OF AN ATOM, - - - - 160 



XVIII. SUMMARY OF OTHER CONSEQUENCES OF ELEC- 

 TRON THEORY, - - . * - * - 163 

 Radio-activity, - . - - - - - " 163 

 Solar Corona, Magnetic Storms, and Aurorse, - 168 

 Transformations of Radium, etc., - - - 169 

 Emanations, * - - - ' - ' "> 171 

 Deflexion of Alpha-rays, - * - ; 171 

 Activity of Radium at all Temperatures, - 174 



Spectrum of Radium, 174 



Electric Production, - - - - - -176 



Radio-activity of Ordinary Materials, - - 177 

 Population Analogy, - - ' - - - -180 



