[R-390] TUBES

[Scott, Barry (Clyde B)]

I can hear it coming now...

"When I was young, we didn't have any fancy vacuum tubes.  We had to make our own glass, suck the air out, etc., and all we had to work with was dirt -- and we felt lucky to have the dirt."

Barry(III) - N4BUQ

>  
>  I actually have somewhere in all my 'stuff' a couple of 
>  tubes from way
>  back when that appear to be homemade. One has a structure inside that
>  looks as though someone cut it out of thin aluminum with a 
>  pair of dull
>  scissors. Pretty interesting...
>  
<snip>