3 Sheets— Sheet 3. (No Model.) F. J. RUSSELL. CONTROLLING DEVICE FOR ELECTRIC MOTORS. No. 595,344. Patented Dec. 14, 1897. Figrt … WITNESSES ff/f?S&<,£^ -£_ att/rney THE NORRIS PETERS CO., WASHINGTON, D- C.
Elevators
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.