Most of the parts for the Langmuir probe are here.
The probe will connect via the rear 8″ conflat:
Unfortunately, this 8″ conflat holds the chamber up! So I whipped up an 80/20 solution:
You can see the chamber is supported on either side by 80/20:
Stuart has the long socket wrench we’ll need:
We have ceramic tubes left over from the fusor grid. However, they don’t quit fit together. I’ll have to file the smaller one with a diamond file. Easy.
An open question:
Finally… I still need to purchase the super thin tungsten wire that will form the tip of the Langmuir probe. Anyone have a foot or so of thin tungsten wire?
Prometheus Fusion Perfection 
For thin tungsten wire, how about using the filament from a 500-watt halogen lamp? I am thinking of the tubular lamps which are sold for use on building sites etc.
That thought crossed my mind as well.
No help here; but the mathematics of Langmuir probe is interesting. Do you have a mathematical development for the none Boltzmann distribution of the polywell chamber? When you get it hooked up, I have no idea how; are you going to make the data available?
Ray
I’m not sure if it’s possible, but you could try wire wrapping the tungsten around the electrode
or use the filament of a normal light bulb. they have long thin tungsten wires
Nah, just buy the stuff directly.
http://www.sigmaaldrich.com/catalog/ProductDetail.do?D7=0&N5=SEARCH_CONCAT_PNO|BRAND_KEY&N4=267554|ALDRICH&N25=0&QS=ON&F=SPEC
let’s try that again.
http://tinyurl.com/2exlzet
How thin is thin? TIG welding electrode?