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"17 inch" plate Wimshurst electrostatic machine

1885

Small original Wimshurst machine, 2.25" plates

1882-1903

The original Wimshurst electrostatic machine.

1882
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
Wimshurst machine, believed to have been made by James Wimshurst

Wimshurst machine

1885