# Leyser machine

A Leyser machine, a variant of the Holtz electrostatic machine. In the video it is precharged by a Toepler machine and produces some sparks. A polarity detector shows that it reverts polarity after a few sparks. By Dr. Antônio Carlos M. de Queiroz. https://www.coe.ufrj.br/~acmq/leyser.html

- Kind: Feature
- Year: 2015
- Runtime: 10 h 5 min
- By: DrAntonioCarlosMdeQueiroz
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Leyser_machine.webm)
- Licence or status: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) (as the archive states it)
- Credit: DrAntonioCarlosMdeQueiroz
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/105126569?play=1)