Electrical Inventor and Engineer Middleton & Middleton. This book examines the fascinating life of Frank Julian Sprague, an American naval officer turned inventor who worked briefly for Thomas Edison, contributed to the development of the electric motor and electric elevator, and sparked a revolution in urban transportation when he invented a system to distribute electricity from overhead wires to streetcars. 336 pages, 111 B&W photographs and illustrations, 7"x 10", hardcover. #0R05686