Re: 6 foot spark making device.

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

Original poster: "D.C. Cox" <resonance-at-jvlnet-dot-com> 




These devices are called "crackle tubes".  We manufacture crackle tubes
in green, blue, pink, red, and violet colors.  Standard size is 48 x 5
inch single units.  Units may be stacked.

If you require further information contact me off-list.

Dr. Resonance




 > Original poster: "Gary Weaver" <gary350-at-earthlink-dot-net>
 >
 >
 > I noticed a spark making device standing in the corner of the room in
a
 > restaurant.  It stands about 7" tall with a 4" diameter x 6 ft. tall
clear
 > plastic pipe on top of a metal box.  It makes 6 foot sparks the full
length
 > of the inside of the pipe.  I did not see any wires going to the top
end of
 > the pipe to attract the sparks.   It makes me think this device is a
Tesla
 > Coil built inside a metal box with the high voltage terminal
connected to
 > one end of the pipe.  The pipe must be filled with some type of
conductive
 > gas.   The gas is transparent and the sparks are white.  There is no
 > manufacture name tag on the front side of the metal box and I did not
want
 > to move the device to check the back side of the box.  I touched the
 > plastic pipe and the sparks were attracted to me.
 >
 > Gary Weaver
 >
 >
 >