Re: x-ray with small Tesla coil as driver

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Malcolm Watts" <m.j.watts-at-massey.ac.nz> 

On 29 Sep 2004, at 12:18, Tesla list wrote:

 > Original poster: "mercurus2000" <mercurus2000-at-cox-dot-net>
 >
 > Wow, I've produced x-rays using vacuum tube diodes and just recently a
 > power beam triode using a 50 KV dc generator, it's very low power,
 > output probably less than 5 watts, you said you got the x-rays from
 > just hooking the terminal to a tesla coil? Normally there needs to be
 > a plate were the electrons are stopped, either inside or on the
 > outside to produce x-rays, if I remember correctly, how much did the
 > light bulb cost you? I wanted to hook one up to my small tesla coils I
 > own, but I'm suprised a standard light bulb with no modifications
 > produced x-rays.

Probably because ancient lightbulbs weren't gas-filled which didn't
exactly enhance their longevity.

Malcolm

 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Tuesday, September 28, 2004 9:22 PM
 > Subject: x-ray with small Tesla coil as driver
 >
 >
 >  > Original poster: "Jack Vandam" <snotoir7674g-at-mindspring-dot-com>
 >  >
 >  > I've had a small Science First 50 Kv Tesla coil for quite some
 >  time.  This > unit is absolutely tiny compared to what I've seen
 >  people talk about here. > Today, at an antique shop, I saw an old
 >  antique Edison light bulb.  I > brought it home and placed it on top
 >  of the energized Tesla coil.  To my > surprise, the inside of the
 >  bulb glowed a brilliant green and I decided to > try and see if I
 >  could take an x-ray of something fairly easy.  The
 > results
 >  > are here:
 >  >
 >  > http://www.mindspring-dot-com/~xray5245f/pencilxrayenhanced.jpg
 >  >
 >  > I must say I was sure surprised to get anything at all.
 >  >
 >  > Jack
 >  >
 >  >
 >
 >
 >