Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,370 pages of information and 230,032 images on early companies, their products and the people who designed and built them.
Denis Ferranti Ltd, of Bangor
of Rhos Mill, Higginshaw Lane, Royton.
1968 Supplied in-core measuring equipment and transformers for the Winfrith power station 
c. 1970 Mark Ziani de Ferranti, of the third generation of the family, became Chairman and Managing Director of the company.
2013 James Ziani de Ferranti, the fourth generation, was General Manager.