In article , says...

On Mon, 13 May 2019 18:14:29 +0100, Mike Coon wrote:

See https://www.radiomuseum.org/r/taylor...ter_47a47.html

Very nice, that. You should hang on to it; valves seem to be making a
comeback in some areas.

Too late; assuming they have not thrown it away, it has been at
Bletchley Park for several years, hopefully supporting their old
computer resusitation projects.

Mike.