The Wimshurst machine is an electrostatic generator developed between 1880 and 1883 by British inventor James Wimshurst.
https://s3-us-west-1.amazonaws.com/h...st_machine.jpg
Previously:
https://www.homemadetools.net/forum/...332#post154352
https://www.homemadetools.net/forum/...250#post150146
https://www.homemadetools.net/forum/...797#post140228