ELECTRIC FLA5HE5 



OR 



THE 5/5TEN5 OF WIBELE55 

 TELEGRAPH/ AND TELEPHONY 



BY 



A. T. M. JOHNSON 



The Inventor of the Johnson -Quyott System of Wireless 

 Secret Telegraphy and Telephony 



Crown 8vo Cloth Price, 2s, 6d, 



Illustrated -with over One Hundred Illustrations from 

 Drawings by the Author and Others 



LEADING CONTENTS 



CHAPTER I 

 Discovery of Frictional Electricity 



CHAPTER II 

 Positive and Negative Electricity 



CHAPTER III 

 Experiments in Electric Conduction 



CHAPTER IV 

 Novel Experiments in Conduction and Electric Discharges 



LONDON: R. A. EVERETT & CO., LTD., 



10 



