CONTENTS. 



CHAPTER X. 



INDUCTION CURRENTS (MAGNETO-ELECTRICITY). 



LESSON PAGE 

 XXXVI. Currents produced by Induction . . 357 

 XXXVII. Magneto-electric and Dynamo-electric Genera- 

 tors 371 



CHAPTER XI. 



ELECTRO-CHEMISTRY. 



XXXVIII. Electrolysis and Electrometallurgy . . 379 



CHAPTER XII. 

 TELEGRAPHS AND TELEPHONES. 



XXXIX. Electric Telegraphs . . . . -393 

 XL. Electric Bells, Clocks, and Telephones . 403 



APPENDIX. 



PROPOSED REVISION OF ELECTRICAL UNITS . . 410 

 PROBLEMS AND EXERCISES 411 



INDEX 433 



MAGNETIC MAP OF ENGLAND AND WALES Frontispiece. 



