Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,717 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
of Old Street, London and of 2 Bevis Marks.
1836 Robert Dewer states 'I am in partnership with my brother, Ebenezer Dewer. We are founders and smiths, and live in Old-street — we make tools'
1838 Mentioned. Mr. Dewer, iron founder, living in Old Street, St. Lukes.
1839. Insured. Ebenezer and Robert Dewer of Old Street, Smiths. Other property or occupiers: 2 Bevis Marks, Bury Street St Mary Axe. 
1840 Mentioned. Mr. Dewer, ironfounder, of Old Street, at inquest in to death of employee.
1841 Listed. Ebenezer and Robert Dewer. 16 Old Street and 2 Bevis Marks. Smiths and Ironfounders.
1842 Messrs. Dewer, Old Street, St. Lukes made the crucibles for the foundries for the Earl of Rosse.
1845 Messrs. Dewer, Old Street, produced iron girders weighing 30 tons for the General Post Office, St. Martin's Lane.
1846-9 Produced the iron castings for the London Coal Exchange in the City of London, which was described as 'undoubtedly one of the finest buildings of its period in the City', with 'highly adventurous and original' use of cast iron. The ribs for the cast iron framed glazed dome each weighed 2 tons and were 42 ft 6" long.. The rope-themed castings were fine examples of the iron founders' art . The Coal Exchange was demolished in 1962 by an act of official vandalism. Some of the cast iron dragons were saved and can be seen on Victoria Embankment.
1851 Mentioned. Messrs. Dewers, engineers, 16 Old Street.
1852 Listed. Ebenezer and Robert Dewer. 16 Old Street and 2 Bevis Marks. Smiths and Ironfounders.
1860 Listed. Dewer, Ebenezer and R., 2 Bevis Marks, E.C..
1866 Premises damaged by fire. E. and R. Dewer, 2 Bevis Marks, St. Mary's Axe, ironfounders.