Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,361 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
of Shaftesbury Avenue, London, W.1., the same address as Technograph Printed Circuits
A leading maker of printed circuit boards
1957 Technograph Printed Circuit Boards, Technograph World Patented Processes in the production of Special Foil Parts, Flexible Conductors, and Printed Circuits