What do you do with a vacuum tube the size of your head?

[Wigwam Jones]

Seriously. Looks SO cool! Not mine, no interest, etc.

http://www.ebay.com/itm/Very-Cool-H...ctronics_R2&hash=item3f17f97ca2#ht_930wt_1398

Very Cool Huge Amperex Tube 8179 QB5/2000 HAM Screen Grid Tetrode for Display

 

[olds442111]

It is indeed a cool looking tube!

 

[Audio Fan]

This!

 

[ebacon]

Wear it like a sci-fi helmet.

 

[Wigwam Jones]

Wear it like a sci-fi helmet.

Danger, Will Robinson!

 

[gearhound]

Ever take a peak at the size of the tubes in some older radio transmitters?
There is a reason they came with 'dead man' sticks!

Steve

 

[audiobiker]

Wow that is a huge tube!

 

[js1138]

As long as the vacuum isn't inside your head...

 

[Wigwam Jones]

As long as the vacuum isn't inside your head...

No room, that's where the lunatic lives.

 

[wizargoz]

I thought the lunatic was in the hall?

 

[Jeffery]

This!

Here's the same tube, 3rd from the right:

And some others, the 4-1000 (far left) is about the size of the tube in the OP I think:

And a couple more:

 

[DCinDC]

That's just ridicridonkulous....

 

[buffdaddy]

I thought the lunatic was in the hall?

lol

 

[Michael Powers]

I saw a Russian silent film from the mid 1920's (I'm forgetting the name). There was a brief scene shot inside a hydroelectric generating station. The tubes were between waist and chest high. I'll bet they got pretty warm.