Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,149 pages of information and 227,783 images on early companies, their products and the people who designed and built them.
of Purley Way, Croydon, Surrey. Telephone: Thornton Heath 3211. Cables: "Instradio, Croydon"
1925 Radio Instruments, Ltd, of 12. Hyde-street, New-Oxford-street, London, , W.C. I , informs us that it has just appointed new representatives in the Northern district.
1936 The instrument manufacturing department of Radio Instruments Ltd, of Croydon, approved manufacturers to the Air Ministry and other Government departments, was acquired by Aeronautical and General Instruments but not the part of the business concerned with wireless receiving sets and parts for home use.
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Radio Apparatus. (Olympia, Ground Floor, Stand No. C.1539)