Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,787 pages of information and 213,827 images on early companies, their products and the people who designed and built them.

Communication Systems

From Graces Guide

Jump to: navigation, search

of Liverpool.

1947 Private company incorporated as a subsidiary of Automatic Telephone and Electric Co

1961 Manufacturers and distributors of automatic telephone equipment, inter-communication (press button) telephone, sound distribution and amplification equipment. 420 employees. [1]

See Also


Sources of Information