[AT] Names that have become generic

[pga2 at hot1.net]

Also a lot of 5Y3's used in that application, as well as in other
electronics of the time.

phil

> Larry,
>
> If I remember right, the 6SN7 was the same valve used in the power
> supply for many super het receivers.  That number still rings a bell.
>
> George Willer