Reminds me of a curiosity seen during a tour of the historic Filoli mansion: An appliance that cooks food by running mains power through it. Apparently someone in the early 20th century thought this was a good idea. I don't remember the exact food it was used for -- maybe hotdogs, or bacon?
(Seen here, on the counter:) https://i.pinimg.com/originals/a0/f7/35/a0f7352484c9426ea188...