Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,372 pages of information and 230,037 images on early companies, their products and the people who designed and built them.
of City Ironworks, Pitfield St, London
1852 Frederick Lawrence (1828-1864) entered into partnership with his brother, Alfred Lawrence, and they jointly established the City Ironworks, London, where Frederick was able to turn to practical account his mathematical and engineering knowledge.
early 1850s: supplied sluices for the improvement of the River Lea Navigation
1858 Showed patented sluice for locks
1862 Special recognition at the 1862 London Exhibition