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Questions about tubes and gear that glows. FAQ

If there are date & factory codes, my old eyes can't see them

The silkscreening is as follows:

6
CG7
.
.
... .

except the '6' is over the 'G', and the dots are under the 'G'.

I thought these were Raytheons, based on photos I saw on the internet, but I can't remember where. They probably are CBS or Tung-Sol, as you say.

I took another close-up photo, and posted it in the classified ad.


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