Foster Engineering Co
of Apex Works, South Wimbledon, London, SW19, Electrical and Mechanical Engineers
1907 Business established.
1919 Member of Electrical Lamp Manufacturers Association
1922 Manufacturer of Transformers, resistances, choking coils, spot welders; vacuum and gas-filled lamps and fittings; "Apex" switchgear; steel and other boxes and tanks; electrical apparatus.
1937 Manufacturers of power and radio transformers and low-tension ironclad switchgear. "Apex" Switchgear. "F.E.Co." Transformers.
1939 Robert Ironside Bagnall was director of the company.