The Turn Of The Century Electrotherapy
Striations in Crookes Tube /
Hardening a Vacuum with a Tesla Coil
This weekend I was testing a reproduction X-Ray tube Made in China. It was an incredibly crude
tube, but interesting still. It was made from a modified light bulb. When I tested it, instead of the
normal yellow-green phosphorescence, I saw a Violet discharge - uh oh! Geissler Vaccum. That means
either a pin-hole leak or something in the tube was liberating too much gas under operation.
I remembered Tesla mentioned hardening a tube via high frequency currents only. So I attached it to a Tesla
X-Ray Coil for a while and took some pictures!
After a while the Geissler Vacuum turned white, and then to striations. Cool!
The striations were unusually beautiful. They always are, but the number are closeness was interesting!
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I added a few extra jolts (15A) and tested it again...
This time a dark space or two (ie, Tesla currents). Might experiment with this tube some more!