Murphy Radio of Welwyn Garden City
1928 Company founded.
1948 Private company.
1949 Company made public.
1953 Manufacturer of TV sets
1961 Manufacturers of radio and television receivers, testing equipment, radiograms, communications receivers and transmitters, radar equipment, aircraft equipment, nucleonic equipment, interference tracing and measuring equipment, electro-medical apparatus, diagnostic and therapy X-Ray equipment and thermionic tubes. 4,300 employees