Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,124 pages of information and 233,665 images on early companies, their products and the people who designed and built them.
Electrophone Company Ltd
1890s The Electrophone service was transmitted over the telephone network of the National Telephone Co (later that of the Post Office). It was effectively a cable company.
1925 The Electrophone exchange was closed on 30 June; closure of the company followed.