Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,153 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
As associate company of Automatic Telephone and Electric Co
Maker of private intercommunication telephone equipment.
By 1949 was producing loud-speaking master stations and substations for office and works intercommunication telephone systems.
1952 Moved to a larger factory at Wigan
1957 Mainly concerned with making telecommunication equipment for use in mines