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The power of ignorance...

Originally posted by: DrawninwarD
I don't get it.
See this quote:
Originally posted by: spidey07
LOL! Here's some vacuum tubes, minus the vacuum.
A vacuum tube requires a vacuum to work. He just removed the glass, destroyed the vacuum, and is trying to sell the parts. There are parts inside the tube that react with any remaining air in the vacuum. The result is silver colored deposits on the glass - the deposits are proof that the tube worked at some point. They aren't something that you clean.
 
I just died a little inside. 🙁

edit: It has to be a joke, though, can you even "carefully" remove the glass housing from a vac tube? I thought it was formed around the electrodes and is not removable. The guy probably just found a bunch of broken vac tubes and put them up on Craigslist to troll people. 😛
 
Originally posted by: frostedflakes
I just died a little inside. 🙁

edit: It has to be a joke, though, can you even "carefully" remove the glass housing from a vac tube? I thought it was formed around the electrodes and is not removable. The guy probably just found a bunch of broken vac tubes and put them up on Craigslist to troll people. 😛

Dremel. 😛
 
Originally posted by: dullard
Originally posted by: DrawninwarD
I don't get it.
See this quote:
Originally posted by: spidey07
LOL! Here's some vacuum tubes, minus the vacuum.
A vacuum tube requires a vacuum to work. He just removed the glass, destroyed the vacuum, and is trying to sell the parts. There are parts inside the tube that react with any remaining air in the vacuum. The result is silver colored deposits on the glass - the deposits are proof that the tube worked at some point. They aren't something that you clean.

Makes perfect sense. I didn't know about the deposits inside the tube. Thanks. Stop having a hissy fit guys. 😛
 
So how many of you remember tube testing machines at the drug store? That should separate the kids... and the people who live in Kansas :^D
 
Originally posted by: lxskllr
So how many of you remember tube testing machines at the drug store? That should separate the kids... and the people who live in Kansas :^D

what were they?
 
Originally posted by: evident
Originally posted by: lxskllr
So how many of you remember tube testing machines at the drug store? That should separate the kids... and the people who live in Kansas :^D

what were they?

Machines at hardware or electronics stores where you would plug your tubes in and they'd tell you if they were good or worn out or just bad. I think I remember them in walgreens.
 
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