Electrotherapeutic Wimshurst machine, ebonite plates, brass conductors, glass tubes, with accessories, mounted on wooden table, James Wimshurst, inventor, English, 1890-1920 Electrotherapeutic Wimshurst machine
Letter from James Wimshurst to Contrad W. Cooke presenting the original Wimshurst influence machine, 1882 Letter from James Wimshurst to Contrad W. Cooke 1882
Twelve-plate (30-inch diameter) Wimshurst machine in glass case, constructed by James Wimshurst himself and demonstrated at his public lecture at the Royal Institution in 1888. This was the largest multiple-plate machine he built, and produced sparks almost 14 inches long. See note. Twelve-plate (30-inch diameter) Wimshurst machine in glass case 1888