If you have an old (from the early 50's) rack mounted RCA CW-20A microwave transmitter it uses them as the finals. That's the only thing I have ever seen that used them.

Jim N5MSJ

On 4/19/2014 6:15 PM, [email protected] wrote:
I read that 4 of them (if you have sockets) might make a good
HF or 6m amp using a modded sweep tube amp.

$2. - $3. each nos or tested good as I recall.

David KD4E

Hi Wilson,
     I suspect not, I've got some, too.  Want some more?
     Good to see you today, but you didn't stick around.  Had a few
words with Mac.  I know, both off to get some barbeque?   ;-)
73,

Al, W8UT
www.boatanchors.org
www.hammarlund.info

"There is nothing -- absolutely nothing -- half so much
worth doing as simply messing about in boats"
Ratty, to Mole

On 4/19/2014 6:50 PM, Wilson wrote:
Worth anything?
Came back from hamfest with a handfull of them.
Worth anything?
Wilson
W4BOH




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