BOOKS IN EUROPEAN LANGUAGES
FOR LIGHTING AND POWER , INSTALLATIONS
ARTHUR L. COOK, B.S., M.S.
Head of Department of Industrial Electrical Engineering, Pratt Institute Formerly Electric Power Engineer, Westinghouse, Church, Kerr & Co.
IBD EDITION, THOROUGHLY REVISED
NEW YORK JOHN WILEY & SONS, Inc. Londo^: CHAPMAN & HALL, Limited