[Hammarlund] Speaking of Tubes ...

[Bob Young]

I'll take a wild guess and say the 6L6, it's still being made today and has been for 70+ years,

Bob Young
KB1OKL

> From: kgordon2006 at frontier.com
> To: hammarlund at mailman.qth.net
> Date: Tue, 30 Sep 2014 21:05:47 -0700
> Subject: Re: [Hammarlund] Speaking of Tubes ...
> 
> On 30 Sep 2014 at 22:55, Guido Santacana wrote:
> 
> > What if... Solid state devices had not been invented back in the 50s. Tubes
> > would have evolved into ....... Sub sub miniature tubes?
> 
> Probably. 
> 
> I have always regarded the subminiature tubes first developed during WWII, 
> as an extreme example of what COULD be done with tubes.
> 
> Lifetimes of 100,000 hours for instance.
> 
> So, here are a couple of related questionss for all of you:
> 
> 1) Which is the single tube of which the greatest number were made, and, 2) 
> what was its main application?
> 
> Ken W7EKB
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