Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,769 pages of information and 213,810 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.
1858 Showed patented sluice for locks
1862 Special recognition at the 1862 London Exhibition