TX TUBES need info

[Dee Almquist]

>Hi BA Fellows
>Found a pr of interesting tubes; HY-30/3C30, Hytron. From what I can gleen
from my source here these are simular to but not the same as 809s. Have
carbon plts, triodes, zero bias, & mabe 25watt plt disipation. But no direct
matches to anything on my tube tester. These came in their original boxes &
are Jan Navy. Anybody know anything abt these & what they were used in?
>
>Another tube I have had for yrs in its original shipping crate, an Eimac
450TH. Looks new. I've used it for display quite a few times even have had
the filament lit. Any equipment using this bottle that might be around
>today?
>
>Thanks for any interesting conversation on these bottles.
>73 es Dee
>
>
>

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