Addresses:
Hampton Street, Birmingham (1952)
Bedworth, Warwickshire
79-91 Lombard Street, Birmingham 12. Telephone: Midland 3117/8. Telegraphic Address: "Clear, 'Phone, Birmingham"

• 1927 Private company.

• 1937 Listed Exhibitor - British Industries Fair. Electric Horns. The Clear-Hooter. Motor and Motor Cycle. Cycle Horns. The Cycator Direction Indicators for Cycles. Dry Battery Horns and Direction Indicators for Toy Motors. Also Cycle Rear Lamps. (Stand Nos. Cb815 and Cb.714)

• 1946 Company made public.

• 1961 Electric horn manufacturers. 250 employees.

• 1971 Patent - Directional Air-Discharging Nozzle for a Heating or Ventilating System.

• 1973 Patent - Ventilating Nozzle Including a Universally Swivellable Nozzle Member.