Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,145 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
1927 Company incorporated. Richard Ward Jolly of Wimbledon, electrical engineer, was one of the shareholders; the other was Norman Binns Coop of Colwyn Bay, electrical research engineer.
1984 Denis Ferranti Meters Ltd (of Bangor) was incorporated