"industrial" PDP-11

William Donzelli wdonzelli at gmail.com
Sat May 18 08:21:52 CDT 2019

Tempest VT100 are generally marked VT100 TEMPEST on the front tag.


On Sat, May 18, 2019 at 8:57 AM Noel Chiappa via cctalk
<cctalk at classiccmp.org> wrote:
>     From: Paul Anderson
>     > They did make the RT100, RT340, etc. which were rugidized versions or
>     > the VTs.
> We also ran into a VT52 (I think, although possibly it was a VT100) which
> apparently had been TEMPEST secured; the inside of the casing had been
> coated with a metallic film. (Or perhaps it was built to operate in
> an environment with a high E-M radiation level, and kept stuff out, not
> in.) I don't recall anything else about it now, alas - it's been almost
> 40 years!
>         Noel

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