[Milsurplus] Tube storage?

[antqradio at juno.com]

Do you have access to liquid nitrogen (LN2)?

On Fri, 17 Mar 2006 07:35:10 -0600 "David Stinson" <arc5 at ix.netcom.com>
writes:
> 
> ----- Original Message ----- 
> From: "Scott Johnson" <scottjohnson1 at cox.net>
> Subject: Re: [Milsurplus] Tube storage?
> 
> 
> > As a practitioner of hi and ultra high vacuum techniques,...
> 
> Scott:  Can you tell us curious folks if there
> is any practical, inexpensive way to pull a useable vacuum
> on a home-made tube? 
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