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Uploaded on Jan 22, 2009
A simple homemade Holtz electrostatic generator. A Holtz machine, like a Wimshurst machine, is a classic electrostatic "influence" machine. The Holtz machine was one of the very first truly powerful Influence machines. It produces more current than a Wimshurst machine, requires only one moving disc, and uses combs that are not required to make physical contact with the disc.