[Milsurplus] subminiature tubes question

[aGEnuine Ham]

My experience has been with the portable equipment 1AD4, 6397, and the
like, and the initial proximity fuze applications.  I wondered if there
was any further development of them before solid state took over, and
you've answered my application question which I didn't even ask.  Thanks.

George
W5VPQ

On Tue, 20 Jul 2004 09:05:23 -0400 (GMT-04:00) Alan Tasker
<atasker at ix.netcom.com> writes:
> There were a good number of non filiamentaty types with 6V heaters 
> inside a cathode. Military airborne electronics (countermeasures 
> that I worked on) used them extensively.
> 


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