1920 Company founded.
1922 Private company.
1932 Company made public.
1953 Manufacturer of TV sets
1956 June. Radio and Allied Industries bought McMichael Radio, a small public company, for £345,000.
1958. Have 90,000 sq ft factory at Wexham Road, Slough and and additional 30,000 sq ft on leasehold in Slough.
1961 Designers and manufacturers of telecommunication radar and electronic equipment, and radio and television cabinets. 750 employees.