A pantograph powered by Electrons. An electron was a subatomic particle that had a negative electrical charge. One particular type of electron was called a photoelectron. References ↑ As seen in the Superfriends Season 1 episode The Fantastic FRERPs (1973). ↑ As seen in the Superfriends Season 1 episode The Fantastic FRERPs (1973). External Links Electron at Wikipedia Retrieved from "https://superfriends.fandom.com/wiki/Electron?oldid=73890" Categories: Physics Community content is available under CC-BY-SA unless otherwise noted.