# Double electrophorus machine

This electrostatic machine based on two variable capacitors is equivalent to Wilson's machine, but has a symmetrical structure. By Dr. Antônio Carlos M. de Queiroz (in memoriam). http://www.coe.ufrj.br/~acmq/wilson.html

- Kind: Feature
- Year: 2015
- Runtime: 6 h 25 min
- By: DrAntonioCarlosMdeQueiroz
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Double_electrophorus_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/105501916?play=1)