Nice LAB11 brochure.

[Eric Smith]

On Mon, May 2, 2016 at 5:46 PM, Charles Anthony
<charles.unix.pro at gmail.com> wrote:
> Hmm. The Rhode Island Computer Museum has a working VR20. We need to get
> them to take a look inside it to see what kind of CRT tube is in there....

It hardly matters, since it's a beam penetration CRT that was custom
made for DEC and isn't used in *anything* else. Barring a major
miracle, the only way you'll ever get another suitable tube is out of
another VR20.