At 01:53 AM 3/24/04 +0000, you wrote:
>Perhaps the device referred to is the Nuvistor?
>
>These were used in VHF applications. [e.g. 6CW4] They
>are metal and don't look all that different from early transistors.
>The size is similar also, the Nuvistor is 0.400" dia. and a TO-5 is
>0.335" diameter.
Memories -
My first VHF receiver was a 5-tube ACDC that I modded ...
I yanked the mixer tube and replaced it with a pair of 6CW4s...
a crystal oscillator / multiplier and a mixer. I made it work
on K6MYKs AM repeater here in L.A....
Mike WA6ILQ
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