Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of Drake's Way, Swindon
Successor of Reliance Manufacturing Co (Southwark)
1964 Booker Group formed a joint venture, Booker Bowmar Ltd, with Bowmar Instrumentation Corporation of USA; Reliance Controls of Walthamstow, maker of helical potentiometers, became part of Booker Bowmar
1968 Helical potentiometers