Here is my K.C. Wiggins Champ Series 75 that I restored earlier this year, this is a 230V output version of the Champ generator made in Potters Hill, Felton, near Bristol.   Be aware that forcing incorrect two pin plugs into these generators may break the plastic part of the sockets, resulting in the socket falling inside. I have seen several of these generators sold on ebay this year with broken sockets.   I'm not sure what plug was supplied with these when new, but all my UK two pin plugs