Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,108 pages of information and 233,634 images on early companies, their products and the people who designed and built them.
Pye Dynamics Ltd, performer of R&D and construction for HM Government
1950 Formation of Pye Dynamics Ltd
As well as defence equipment the company also carried out work in medical and security fields
1981 The name of the company was changed to Graseby Dynamics Ltd