Watkins / WEM

http://www.vintagehofner.co.uk/britamps/watkins.html

http://www.watkinsguitars.co.uk/renovation.htm

http://en.wikipedia.org/wiki/Watkins_Electric_Music

http://www.valveamps.com/wemindex.htm

Schematics

http://www.freeinfosociety.com/electronics/schempage.php?cat=1

Watkins schematics

WEM schematics

Images 1962 Watkins Dominator, Westminster and Joker 1962 from eBay:

1962 Watkins Dominator amp   Watkins dominator amp 1962 Control panel