23-03-2021, 01:24 PM
(This post was last modified: 23-03-2021, 01:24 PM by ppppenguin.)
There are huge numbers of electro-quack machines from Victorian times onwards. At the low voltage end you have Overbeck's invention which made him very rich. https://en.wikipedia.org/wiki/Otto_Overbeck At the high voltage end there are numerous violet ray (or wand) machines: https://en.wikipedia.org/wiki/Violet_ray I think there are modern versions still being made.
At the respectable end of things we have TENS.
At the respectable end of things we have TENS.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
