Tesla's Discovery of the Secret of Eternal Youth

[Mystic Wanderer]

I agree, Tesla was just Incredible.
He had around 300 patents worldwide.
Tesla's understood the Secret Behind The Numbers 3, 6, And 9.

@"Ninurta"  & @"Mystic Wanderer" 
That was more than likely a Electro Acupuncture device.
Similar to mine that looks like this.

You can buy them on Ebay and Amazon.

This is what mine looks like. They cost around $25 at this site, Tens Unit , but mine was closer to $100 because my doctor sold it to me. Good news is, I got it for free; my insurance paid every penny.