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Yeast the weapon of choice since it has so many functions in regard to access to everyones physiology and how it can be utilized to form complications to alter or instructs functions and mutation—
The research demonstrates clear biological effects of near-field 2.45 GHz EMF exposure on yeast, specifically membrane permeabilization, oxidative stress, and DNA damage. These findings establish a li
TONP
18 HOURS AGO

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violet wand

Description of violet ray (high frequency / violet wand) machines / devices (in german these are called "Hochfrequenzheilgeräte" or "Violett-Strahler"):
History:
The violet wand (or violet ray machine) is an old quack device used mainly from 1920-1940 to "cure" nearly all deseases you can think of. They were sold in wooden boxes together with up to 22 electrodes. The slogan of the time was "every household should have one" ;-)
Technology:
Line current is used to vibrate an interrupter attached to an induction coil (also called kicker coil). By interrupting the line current, a high voltage will be generated in the induction coil and stored in a capacitor. Via a spark across the vibrator, this energy is dumped into another coil (the "primary") with few windings located in the handle of the device, where the output voltage will be generated by resonant transformer action in the high voltage coil (the "secondary"). 
In detail:
When the main switch is turned on, the 50Hz line current flows through the kicker coil because the vibrator is still closed. Then the vibrator is attracted from the magnetic field produced in the core of the kicker coil. Upon opening the contact, the current still wants to flow through the inductance of the kicker coil and therefore flows through the primary coil, charging up the capacitance. When there is a sufficient voltage generated between the contacts of the vibrator, they arc over and the capacitor can discharge through the primary coil (green circle in the following schematics indicates the oscillating nature of this discharge). The energy is transferred to the secondary coil which has distributed internal capacitance and therefore forms also a resonant circuit. When the primary and secondary circuit are tuned to the same frequency, there are long sparks generated at the HV terminal (~3cm). With the current in this high voltage output, you even can light up an ordinary 15W incandescent lamp (the spiral wound filament is glowing bright from approx. 5W pure HF power)! The input power is approx. 30W. When all the energy is transferred to the secondary, the magnetic field weakens, the vibrator will make contact again and it all starts over.

Generators:
Many different companies buildt these devices in the past. Some brandnames / types are: Haider, Pansanitor, Wapa-Strahler, Elmeda, Heliolux, Radiostat, Radiolux, Helios (G), Tefra Allstrom N53 Impulsan and many others. They came as one-part devices like the Radiolux (interrupter and high voltage coil all integrated in the handle), two-part devices like Haider (interrupter in separate box, high voltage coil in the handle) or even three-part devices like some Tefra Allstrom N53 (with additional RF-filter in separate box).
Their are some different socket diameters and shapes, I'll explain them on the electrodes page.
Of course therer are some devices made for the european market (220V in those days) as well as others for the US market (110V). Some of the better violet ray devices had two coils on the interrupter and a switch to select the input voltage. Others were designed so that they not only work at 220V but also at 110V, but the output at 110V is much weaker then (not all 220V-devices will work at voltages as low as 110V!).
The original power cords hardened over the years (>80 years old rubber...) and have to be replaced in most times.
The strength (length and power of output arc) can be adjusted on most devices. Sometimes simply the "springiness" of the interupter can be adjusted, in other cases there is a knob to dial in some additional inductance (+resistance) into the primary resonant circuit to de-tune (de-Q) the oszillations. But the maximum strength is very different between different types of devices.
One should NOT operate those old devices without changing the old capacitor. It is made out of paper and wax and some metallisation and soaked up water over the decades and degraded from overheating over the years of usage. If operating such a detoriated capacitor, it will overheat quickly due to the losses in the old dielectric, the wax will melt and leak out followed by a short circuit. Better replace it by a modern capacitor (plastic film / foil construction for RF) of suitable values (voltage and capacitance).
The wiring of those old violet ray devices is done in a way which is not allowed any more today - for some good reason! You can easily electrocute you or your "victim"! So please read the safety hints I placed on this separate page before plugging it in. 
back to top of page

Photographs of some of the beautiful devices:
(no, I will not sell these ones!)
My Tefra:

My Sanostra:

My Medikus:

This next one is a diathermy device (Fischer Type F):

Electrodes can be found on this separate page I made recently.
back to top of page

Booklets/Books/Manuals I have:

I have a lot more but they are packed away at the time, please check back later, thanks.

titleauthoryearpagestypeconditionGesundheit und Heilung durch Hochfrequenzdownload (unknown source)goodcopyexcellentoriginalfairAus Krankheit und Siechtum zu Gesundheit und neuer Lebenskraft durch HELIOS HochfrequenzstrahlenHelios-Werk Hermann Will, Jenaca. 1929/3032originalgoodFlyer for the RadiostatTefrahttp://www.achatina.de/vr/acrobat/tefra.pdfbad scan (OCR'ed, converted to .pdf)

A nice letter I found in one of my books:

back to top of page

Saftey hints

High voltage arcs can ignite flammable materials and liquids (such as rubbing alcohol).
Violet Wands [are] [...] a Quack Medical device based on combining the type of AC Line operated hand held Tesla Coil found in any High Vaccuum Laboratory with some rarified gas filled blown glass accessories. Safety Warning: The "ground" for the high voltage winding on the tesla coil is normally made through a connection to the AC line (it might be the hot lead or it might be neutral - want to play russian roulette?). This will not electrocute you through one of the glass electrodes but it will if you accidently come into contact with the high voltage connection or use any of the metal attachments.
[...] most wands with a 3 wire cord are not connected properly and are still potentially lethal. [...]
The violet wand can cause sunburns [should be "will cause many small electrical burns"] if used on one area for too long. Both the high voltage and the ultraviolet light can [will] produce ozone. Inhaling too much ozone can cause lung damage. Ozone will also irritate the skin (especially the mucous membrane)
Most violet wands will overheat and be damaged if they are used continuously for very long. Limit use to 5 minutes [mainly because of the wax in the capacitor but also overheating the high voltage coil which is wax impregnated, too]
Avoid direct contact or a short arc to the high voltage output terminal (the socket the accessories plug into) on the end of the generator. [the glass electrodes are a safety feature to prevent direct contact to the HV output, the glass stops 50/60Hz current and will only pass high frequency currents]
Isolation transformers will not work to protect against AC line electrocution with high voltage generators with two wire AC line cords; these high voltage devices need the lack of isolation to work normally and the high voltage will likely damage the isolation transformer if you arc the high voltage output to ground. Once the high voltage arcs between the primary and the secondary of the isolation transformer, the transformers protection will also be circumvented!
Ground Fault Interrupters: High voltage generators [...] may trip ground fault interupters. There is also a slight possibility that the high voltage would damage or confuse the GFCI. [...] The use of GFCIs is probably still a very good idea, just think of them as an expensive single use fuse rather than a reusable circuit breaker; once it trips, be prepared to replace it (use the "test" button to see if this is necessary). [Use a proper RF-Filter between the GFI and the violet wand to protect the GFI]
Computers and Electronics: Don't subject your computer or other electronic devices to electroturture from high voltage devices; it could be a very expensive mistake.
Injuries: Janet Hardy reported to SSB on injury reports received while working on the book Juice. A violet wand set fire to clothing
Electrically induced muscle contractions, as well as peoples reactions to pain, can result in injury or death from striking external objects. Muscle contractions can also break bones and do other damage directly.
Be sure to read the safety hints I placed on this separate page before using a violet wand!
back to top of page

Geissler tubes (for all of the glow photos, the GTs were driven by my TEFRA violet ray generator with the GT connected between the metal electrode inserted into the hadle and the "return electrode" for maximum output current)
The Columbia Encyclopedia, Sixth Edition. 2001 defines the "Geissler tube" as follows:
(gs´lr) (KEY) , gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow depends on the gas used. The tubes are made in a variety of shapes and are especially useful in spectroscopy. One later form of the tube is widely used in luminous signs (“neon” signs) and another in fluorescent lamps.
GT1 (different levels of exposure and f-stops) with bow-ties made out of uranium glass (therefore the greenish glow):

GT2 (still without flourescent liquid):

back to top of page

Links:
http://www.ElectrotherapyMuseum.com/

The following article from the free newsletter of funkempfang.de describes me presenting some of my old violet wands on the hamfest "HAM Radio 2005" in Friedrichshafen/Germany:

back to top of page

I'm a firm believer in not reinventing the wheel.
Much of the wonderful information you will read below,
came curtesy of Jeff Behary and the...
The Turn Of The Century
Electrotherapy Museum
Thanks Jeff!
 
About Violet Ray Machines

Master Violet Ray, from Mueller Patent From left to right:
Vacuum Electrode, Resonator Coil, Magnet Coil / Condenser, Interrupter, Line Cord

Well, what is a violet ray machine? The basic Violet Ray machine is a portable form of Tesla Coil. It is based on some of the early coils Tesla built in his Houston Street Laboratory.
These devices started off legitimately as medical devices for treating various skin conditions and for the minor relief of pain. They were made originally for physicians to take to patients homes where portability and convenience were a must. An added bonus for these machines is the unique ability to operate on both alternating and direct currents - even if patient's homes did not have electricity, these small devices could run from portable battery banks. Prior to this most high frequency devices were large and cumbersome, and available electricity was rare. It also may be of interest to note that in the early days if people were lucky enough to have electricity in their homes, the extent to which this existed was most often a single lamp socket hanging from the ceiling of the main room in the house. Wall switches and outlets were still in the distant future! This is why so many Violet Ray manuals mention things such as "conveniently plugs into any lamp socket". At the time, lamp sockets were the only form of outlet! Early portable apparatus were made by Remco, Frank S Betz, Browne, Victor, Fischer, Aloe, Wappler, Etc. Most of the early devices were lined in oak boxes and contained coils that produced sparks up to 3" or more. Some units were even sold with special X-Ray tubes for doing mild treatments at peoples homes.

The violet ray business, became a major US industry, from 1900 until the 1930s over three dozen manufacturers made these units. Some manufacturers made up to a dozen models, and production ran into the tens of thousands, hundreds of thousands for some companies!
Eventually the cure-all claims were put to trial and most of the devices were banned by the FDA for illegitimate claims. Cenco and Electro-Technic Products began marketing the devices as high frequency leak detectors for neon sign and related industries. They are still manufactured for this today. Several other companies, such as Fromm International, Siluoet-Tone, Holo-Electron, and Tefra make the devices for beauticians or aethetician
use.
In recent decades many people began distributing devices from the above companies as adult novelties or alternative medical devices. It should be noted that here in the US the only legitimate manufacturers of these devices are Electro-Technic Products (Leak Detectors) and Fromm International (Aesthetician Products). ETP makes modern versions of the Cesco / Energex / Challenger / Cenco variety of Violet Rays, and Fromm makes the Master Electric M66 / Master Appliance / Gibbs variety of Violet Rays. Neither manufacturer makes or endorses the use of the machines as "Violet Rays", or "Violet Wands".
In Europe, there are still several manufacturers of "Violet Rays". Holo Electron in France, and Tefra in Germany. Many of the hard to find electrodes are still sold by these companies.
One of the common misconceptions about Violet Rays is the actual disruptive discharge coil in the top of the unit, the coil that makes connection with the glass electrodes. Many newer internet resources make mention of "wax cores" used in these coils. One company even boasts the use of ceramic cores(!) This information is false. Violet Ray resonator coils are wound on wooden or plastic cores; they contain multiple layers of wire insulated by paper which is impregnated with insulating material. It is the overheating of this insulating material between layers that causes these coils to fail. Below is a cross section of both a Master (Fromm) and a Cesco (ETP) Resonator Coil.

  

You can clearly see the different layers of wire, and the waxed paper used for insulation. The secondary coil is close wound layers with wire .006" in diameter, while the primary is a single layer wound with .012" diameter wire. Some manufacturers used two wires wound side-by-side for the primary winding to increase the coupling of the coils. Modern coils can be impregnated with high temperature epoxy rather than wax, making a coil that will withstand extended use. Unfortunately, the other components of the Violet Ray (such as the condenser or magnet coil) also tend to overheat when operated for more than 10 minutes - defeating the purpose of a heavy-duty coil.
Whether or not you believe in the authenticity of the treatments, most "treatments" lasted no longer than 10 minutes, and if the machine is allowed a 20-30 minute period of "cooling off" between treatments it will last a lifetime. Violet ray machines are often more expensive to repair than they are worth, so it's best just to take good care of them and
they will last indefinitely.
Another misconception is that Violet Rays contain transformers and spark gaps. They actually contain a "self-induction coil" and "interrupter". The self-induction "magnet coil" is really a single layer of wire that magnetizes an iron core. Whenever the core is magnetized, the bottom contact of the interrupter (which is attached to a steel armature) is attracted to the core of the coil, thus breaking the contact of the interruption. At this point the collapsing magnetism in the core of the coil induces a high voltage back-emf in its winding of around 1-2 kV. This high voltage is used to charge a condenser and discharge it across the disruptive discharge "resonator coil". The combination of inductance and capacity form a high frequency resonant circuit, and it is through resonance that a small coil operating from a 110V source can yield an output of over 50,000V with very little wire.
Finally, the actual glass vacuum electrodes generally do NOT contain inert or noble gases as many people claim. The color and effects of the discharge are created from normal air at various vacuums. While sparks in normal air are are purple, these sparks spread from red, violet, blue, lavender, and white as the vacuum inside of the tube increases:

 

 

 

 

Some manufacturers did use Neon in their electrodes, but this was mainly limited to European devices from the 1930s and later. Most American devices simply used ambient air at various degrees of vacuum. The photos above are of of the same glass tube, however the vacuum is steadily increasing from left to right. If the white vacuum on the far right was evacuated even more, the various discharges of Crookes and Röntgen would start to appear.

One of the last misconceptions about Violet Rays is that they emit ultraviolet radiation. This is also false. Quartz Glass is the only glass that can transmit Ultraviolet Radiation, and most Violet Ray electrodes are made from Pyrex or Soda Lime Glass. The only Ultraviolet Radiation emitted from these machines is from the actual sparks generated from them. All electric sparks produce Ultraviolet Radiation to some extent. The only effect of the gas, pressure, or vacuum inside of glass the electrodes is the actual resistance of the vacuum electrode and the this effects the characteristics of the electricity conducted through them. As the old manuals boast, "the electrodes diffuse the electricity". In other words, they remove the harshness associated with a direct electrical spark to the body.

So who invented these electrodes? Frederick Finch Strong invented the glass vacuum electrode around 1896. This concept was perfected by people such as Arnold Snow. Many physicians adopted their own form of electrodes, and books from authors such as Eberhart or Tousey depict some of these images.

So what are the authentic use of Violet Ray machines? Mainly (as the original units) for treating minor skin conditions. Ozone is germicidal (kills bacteria) and high frequency currents are dehydrating for the skin. Acne or similar conditions are often improved by the nature of these applications. Also, fulguration or cold cautery is used with these devices - the ability of a small electric spark to destroy tissue. This is one method of removing warts.
The mild heating effects of these devices (which are minute compared to Diathermy) has the ability of relieving pain to a small extent. Unlike external heating pads, Violet Ray electrode heat the body from the inside-out, which is often more beneficial.
On the subject of applications of these currents, it should be noted that treatments rarely consist of electrical sparks being applied to the skin. This can cause unpleasant burns. Whenever early books mention "a quarter inch spark" or "a half inch spark" for various ailments, it is meant that the machine be adjusted to produce such a spark, and the glass electrode applied directly to the body thereafter.
No person with a pacemaker should be allowed near a Violet Ray machine, the effects could be fatal. Violet Ray devices can and will interfere with nearby electronics.

Stefan's Tesla-Pages
 violet wand

Still to a LOT of work here,
please be patient...
...or I will send you the quack doctor
with the violet ray and the real
fat anal electrode ;-)

(pictures are "clickable"...)
(some more smurfes can be found here)

Description of the devices in general
Generators & photographs
Booklets
safety hints
Geissler tubes
Links

Description of violet ray (high frequency / violet wand) machines / devices (in german these are called "Hochfrequenzheilgeräte" or "Violett-Strahler"):
History:
The violet wand (or violet ray machine) is an old quack device used mainly from 1920-1940 to "cure" nearly all deseases you can think of. They were sold in wooden boxes together with up to 22 electrodes. The slogan of the time was "every household should have one" ;-)
Technology:
Line current is used to vibrate an interrupter attached to an induction coil (also called kicker coil). By interrupting the line current, a high voltage will be generated in the induction coil and stored in a capacitor. Via a spark across the vibrator, this energy is dumped into another coil (the "primary") with few windings located in the handle of the device, where the output voltage will be generated by resonant transformer action in the high voltage coil (the "secondary"). 
In detail:
When the main switch is turned on, the 50Hz line current flows through the kicker coil because the vibrator is still closed. Then the vibrator is attracted from the magnetic field produced in the core of the kicker coil. Upon opening the contact, the current still wants to flow through the inductance of the kicker coil and therefore flows through the primary coil, charging up the capacitance. When there is a sufficient voltage generated between the contacts of the vibrator, they arc over and the capacitor can discharge through the primary coil (green circle in the following schematics indicates the oscillating nature of this discharge). The energy is transferred to the secondary coil which has distributed internal capacitance and therefore forms also a resonant circuit. When the primary and secondary circuit are tuned to the same frequency, there are long sparks generated at the HV terminal (~3cm). With the current in this high voltage output, you even can light up an ordinary 15W incandescent lamp (the spiral wound filament is glowing bright from approx. 5W pure HF power)! The input power is approx. 30W. When all the energy is transferred to the secondary, the magnetic field weakens, the vibrator will make contact again and it all starts over.

Generators:
Many different companies buildt these devices in the past. Some brandnames / types are: Haider, Pansanitor, Wapa-Strahler, Elmeda, Heliolux, Radiostat, Radiolux, Helios (G), Tefra Allstrom N53 Impulsan and many others. They came as one-part devices like the Radiolux (interrupter and high voltage coil all integrated in the handle), two-part devices like Haider (interrupter in separate box, high voltage coil in the handle) or even three-part devices like some Tefra Allstrom N53 (with additional RF-filter in separate box).
Their are some different socket diameters and shapes, I'll explain them on the electrodes page.
Of course therer are some devices made for the european market (220V in those days) as well as others for the US market (110V). Some of the better violet ray devices had two coils on the interrupter and a switch to select the input voltage. Others were designed so that they not only work at 220V but also at 110V, but the output at 110V is much weaker then (not all 220V-devices will work at voltages as low as 110V!).
The original power cords hardened over the years (>80 years old rubber...) and have to be replaced in most times.
The strength (length and power of output arc) can be adjusted on most devices. Sometimes simply the "springiness" of the interupter can be adjusted, in other cases there is a knob to dial in some additional inductance (+resistance) into the primary resonant circuit to de-tune (de-Q) the oszillations. But the maximum strength is very different between different types of devices.
One should NOT operate those old devices without changing the old capacitor. It is made out of paper and wax and some metallisation and soaked up water over the decades and degraded from overheating over the years of usage. If operating such a detoriated capacitor, it will overheat quickly due to the losses in the old dielectric, the wax will melt and leak out followed by a short circuit. Better replace it by a modern capacitor (plastic film / foil construction for RF) of suitable values (voltage and capacitance).
The wiring of those old violet ray devices is done in a way which is not allowed any more today - for some good reason! You can easily electrocute you or your "victim"! So please read the safety hints I placed on this separate page before plugging it in. 
back to top of page

Photographs of some of the beautiful devices:
(no, I will not sell these ones!)
My Tefra:

My Sanostra:

My Medikus:

This next one is a diathermy device (Fischer Type F):

Electrodes can be found on this separate page I made recently.
back to top of page

Booklets/Books/Manuals I have:

I have a lot more but they are packed away at the time, please check back later, thanks.

titleauthoryearpagestypeconditionGesundheit und Heilung durch Hochfrequenzdownload (unknown source)goodcopyexcellentoriginalfairAus Krankheit und Siechtum zu Gesundheit und neuer Lebenskraft durch HELIOS HochfrequenzstrahlenHelios-Werk Hermann Will, Jenaca. 1929/3032originalgoodFlyer for the RadiostatTefrahttp://www.achatina.de/vr/acrobat/tefra.pdfbad scan (OCR'ed, converted to .pdf)

A nice letter I found in one of my books:

back to top of page

Saftey hints
I'm aware that violet wands are used today by many people for many reasons. So I would like to add some special saftey hints. Some of them are even named in the old booklets sold with the violet wands, others are common sense. Some "special" hints are clipped from a text found on http://www.mybdsm.com/pages/faustopheles/electro.html. Be sure to read the safety hints I placed on this separate page before using a violet wand! 

High voltage arcs can ignite flammable materials and liquids (such as rubbing alcohol).
Violet Wands [are] [...] a Quack Medical device based on combining the type of AC Line operated hand held Tesla Coil found in any High Vaccuum Laboratory with some rarified gas filled blown glass accessories. Safety Warning: The "ground" for the high voltage winding on the tesla coil is normally made through a connection to the AC line (it might be the hot lead or it might be neutral - want to play russian roulette?). This will not electrocute you through one of the glass electrodes but it will if you accidently come into contact with the high voltage connection or use any of the metal attachments.
[...] most wands with a 3 wire cord are not connected properly and are still potentially lethal. [...]
The violet wand can cause sunburns [should be "will cause many small electrical burns"] if used on one area for too long. Both the high voltage and the ultraviolet light can [will] produce ozone. Inhaling too much ozone can cause lung damage. Ozone will also irritate the skin (especially the mucous membrane)
Most violet wands will overheat and be damaged if they are used continuously for very long. Limit use to 5 minutes [mainly because of the wax in the capacitor but also overheating the high voltage coil which is wax impregnated, too]
Avoid direct contact or a short arc to the high voltage output terminal (the socket the accessories plug into) on the end of the generator. [the glass electrodes are a safety feature to prevent direct contact to the HV output, the glass stops 50/60Hz current and will only pass high frequency currents]
Isolation transformers will not work to protect against AC line electrocution with high voltage generators with two wire AC line cords; these high voltage devices need the lack of isolation to work normally and the high voltage will likely damage the isolation transformer if you arc the high voltage output to ground. Once the high voltage arcs between the primary and the secondary of the isolation transformer, the transformers protection will also be circumvented!
Ground Fault Interrupters: High voltage generators [...] may trip ground fault interupters. There is also a slight possibility that the high voltage would damage or confuse the GFCI. [...] The use of GFCIs is probably still a very good idea, just think of them as an expensive single use fuse rather than a reusable circuit breaker; once it trips, be prepared to replace it (use the "test" button to see if this is necessary). [Use a proper RF-Filter between the GFI and the violet wand to protect the GFI]
Computers and Electronics: Don't subject your computer or other electronic devices to electroturture from high voltage devices; it could be a very expensive mistake.
Injuries: Janet Hardy reported to SSB on injury reports received while working on the book Juice. A violet wand set fire to clothing
Electrically induced muscle contractions, as well as peoples reactions to pain, can result in injury or death from striking external objects. Muscle contractions can also break bones and do other damage directly.
Be sure to read the safety hints I placed on this separate page before using a violet wand!
back to top of page

Geissler tubes (for all of the glow photos, the GTs were driven by my TEFRA violet ray generator with the GT connected between the metal electrode inserted into the hadle and the "return electrode" for maximum output current)
The Columbia Encyclopedia, Sixth Edition. 2001 defines the "Geissler tube" as follows:
(gs´lr) (KEY) , gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow depends on the gas used. The tubes are made in a variety of shapes and are especially useful in spectroscopy. One later form of the tube is widely used in luminous signs (“neon” signs) and another in fluorescent lamps.
GT1 (different levels of exposure and f-stops) with bow-ties made out of uranium glass (therefore the greenish glow):

GT2 (still without flourescent liquid):

back to top of page

Links:

linkdescriptionhttp://www.ElectrotherapyMuseum.com/Jeff Beharyhttp://www.mtn.org/quack/devices/uv.htmhttp://members.aol.com/_ht_a/beacoqui/index.htmhttp://radiantslab.com/quackmed/bigstuff.htmlhttp://www.voltnet.com/sciequip/index.htmlhttp://www.borg.com/~hcohen/Geissler.htmlorder your production of a geissler tubehttp://www.arcsandsparks.com/aboutvacuumtubes.htmlhttp://bulbcollector.com/geissler.htmlgreat pictureshttp://www.lgl.lu/museedelaphysi/Tube de Geissler a liquides fluorescents/Tube de Geissler_doc.htmhttp://www.bobsokol.com/Geissler.htmlhttp://www.aargon-neon.com/history.htmhistory of geissler tubeshttp://www.pages.drexel.edu/~lfh25/a warninghttp://www.glass.co.nz/uranium.htmuranium glasshttp://www.netcomuk.co.uk/~wwl/geissler.htmlpics and info (even about the dotted discharge)http://www.thueringen-online.de/Kommunales/Neuhaus_am_Rennweg/sehens1.htm(in german!)  museum inside the birth house of Dr. Heinrich Geißler (1814 - 1879)

back to top of page

The following article from the free newsletter of funkempfang.de describes me presenting some of my old violet wands on the hamfest "HAM Radio 2005" in Friedrichshafen/Germany:

back to top of page

https://hotstreamer.deanostoybox.com/stk/tc/toc.htm#top

Welcome to Stefans home page!
Please bookmark ONLY this page:http://www.stefan-kluge.de
Tesla coils - my fascinating hobby (how I produce my own indoor lightning)

Please click here for the current

with all the new sub pages listed!

My pages contain the following topics:
safety & disclaimer,
what is a TC,
technological background,
theory & formulas for all the elements of a TC,
how to build the elements from scratch,
setup of the system,
a description of all my high voltage devices up to 5kW
vintage violet ray devices with images of beautiful electrodes
capacitor banks
and a section about "the original" (mother nature).
ENTER

GermanTeslaList (http://beam.to/gtl), the mailing list of the german speaking Tesla coilers (only in german),
there is also many additional information available (like material guidelines, sources, summary of important threads etc.)
Please note: I don't mind answering questions and discussing TCs in e-mail.
It is annoying however to receive questions that are already answered on this website.
If you have a question, please make sure you have fully read the website before you e-mail.
If you e-mail me, please be sure your e-mail in plain ASCII (text) format, not html.
I get many spam and viruses, so I have to be very careful. If your e-mail is not in
"txt" format I will most likely delete your e-mail without opening it
in order to protect from possible virus infection.

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