CONTENTS. xvii 



CHAPTER VIII. 



THE ELECTRIC LIGHT. 



PAGE 



I. Regulators of Electric Lamps 673 



II. Electric Lighthouses. Various Applications of the Electric Light . 679 

 III. Blasting in Mines. Torpedoes 693 



CHAPTER IX. 



ELECTRO-PLATING. 



I. Historical Sketch 701 



II. Electro-typing 704 



III. Galvanizing. Gold and Silver Plating 711 



CHAPTER X. 



VARIOUS APPLICATIONS OF ELECTRICITY". 



I. Medical Electricity 719 



II. Electricity Applied to Meteorological Observations 722 



