General > General Technical Chat

Massive old vacuum tube, anyone know what it is?

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coppercone2:
it defiantly looks like a physics project, universities have glass blowing departments, you would not get that oblong easy to break side piece with a commercial product, or a military product for that matter, they want things to ship nicely

I think its something to let plasma go through the side piece and maybe measure it with something, maybe a current probe?

that glass structure is used for convection often, or circulation, its common in a passive circulation oil melting point tester (the circulation is a temperature control, a passive flow network) and a dean stark apparatus. Can it be something for looking at plasma turbulance/dynamics? You can also heat the side tube. not sure what that would do, its very interesting. I think if you put a flame on that side tube and there was gas inside it would start going around in a circle, at least if it was normal gas



always wanted to work on that kind of stuff

macona:
I do know some people in the faculty there but this predates everyone there.

No marks that I can find anywhere. I looked all over.

Dont see any slits in it either.

Yeah, I was thinking of asking the guys over at radiomuseum but figured I would give it a try here. If nothing else it is neat to look at. Ill just make a display stand for it.

macona:
Im pretty sure the pump sidearm was added, they did have a glassblowing shop but the parts in this are spun and stamped metal which is a but much for a university experiment.

coppercone2:
keep in mind this looks like 40's or 50's tech, its when people were proud of their work, open ended non commercial research was allowed, etc (think Bell labs)

professors used to actually work on research instead of being grant raising enterpenurs trying not to get shut down by commercial business interests. it was also the golden age of being proud of machining. I think the main focus of a professor now is to put subliminal messages in the abstract.  :-DD

I think then they would have said "make that thing good so we can study it deep into the future for the benefit of this university in case the blue print gets lost" and now the department dean would come running along asking if you can perform a simulation to prove an obvious concept instead, and to please not use the printer. I have something related to him pestering the designer for some thing machining cost related in mind but its too complicated and elaborate a joke so I will leave it at that.

bdunham7:
The two leads going to the coil in the side compartment--where are they connected?

Can you show where the tubes from that side compartment are connected?  I think the fact that there are two tubes is interesting.  If it were just a getter or TSP chamber, I don't think you'd need 2.

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