High voltage<unk> c. 1890s–1900s An<unk> is a 19th-century medical treatment in which high-voltage<unk> al apparatus was used for<unk> ying patients by causing an<unk>  charge to build up on their bodies. In the US this process was known as Franklinization after Benjamin Franklin. The process became widely known after Franklin described it in the mid-18th century, but after that it was mostly practiced by quacks. Golding Bird brought it into the mainstream at Guy's Hospital in the mid-19th century and it fell into disuse in the early 20th century.
Electric bath 
Hug machine
Pharmasave
Mustard bath
Electronic cigarette
Aid station
Adult diaper
Anaesthetic machine