Frank Julian Sprague (July 25, 1857 – October 25, 1934) was an American inventor who contributed to the development of the electric motor, electric railways...

both cars. The multiple unit traction control system was developed by Frank Sprague and first applied and tested on the South Side Elevated Railroad (now...

Edison's organization naval officer Frank J. Sprague, whom he met at an international electrical exposition. Sprague became a well known inventor, and was...

Robert C. Sprague (August 2, 1900 – September 27, 1991) was the son of Frank J. Sprague and Harriet Sprague. Sprague founded Sprague Electric (originally...

United States Sprague, Alabama in Montgomery County, Alabama Sprague, Connecticut Sprague, Missouri Sprague, Nebraska Sprague, Washington Sprague, West Virginia...

system of current collection is reputed to be the 1880 invention of Frank J. Sprague, but the first working trolley pole was developed and demonstrated...

Franklin Sprague may refer to: Frank J. Sprague (1857–1934), American naval officer and inventor Franklin B. Sprague (1825–1895), American military officer...

Edison, Hammer was "a pioneer of incandescent electric lighting". Frank J. Sprague, a competent mathematician and former naval officer, was recruited...

system on trams for collecting electricity from overhead wires by Frank J. Sprague. His spring-loaded trolley pole used a wheel to travel along the wire...

systems on trams for collecting electricity from overhead wires by Frank J. Sprague kickstarted the transition. His spring-loaded trolley pole used a wheel...