Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,096 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of 14 Howick Place, London, SW1 (1926).
1855 Company established.
1914 Government Contractors, Engineers and Patentees. Specialities: iron wire and other fencing, iron roofs, iron buildings, horticultural buildings, wire rope suspension bridges, iron bridges etc. 
1937 Constructional and ventilating engineers. "Barrol" Ventilators. "Dupor" Systems of Ventilation and Square Mesh Fencing. "Rowic" Steel Fencing with Reinforced Concrete Posts.