Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of 40 Dean Street, London
1922 Advertised as maker of inexpensive home receivers using Marconi's patents
1922 Change in timing of weekly broadcast of concert programme from Writtle, Essex