[Milsurplus] Radioactive OA2 tubes?

[Todd, KA1KAQ]

On Sun, Sep 26, 2010 at 2:37 PM, Ian Wilson <ianmwilson73 at gmail.com> wrote:

> It would be interesting to know how tube that were enhanced in this way were
> marked. I wonder why they weren't given a different designation, since they
> are
> really a different tube?

I have a bunch of NOS JAN versions and they all have the tiny
three-blade radioactive symbol on the box. Along with the MV HV tubes,
it makes you a bit more respectful of cleaning up broken tubes from a
box.

~ Todd,  KA1KAQ/4