Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,110 pages of information and 233,634 images on early companies, their products and the people who designed and built them.
1836 First mention of John Platt in the Directories, when he was described as a "machine maker", living in Roman Road Terrace, Higher Broughton. His workshop was in Greengate.
1839 John Platt leased the Salford Iron Works from Sherratt's trustees.
Platt entered into partnership with George Yates, the two of them continuing Sherratt's line of business.
1845 The Mathers leased part of Salford Iron Works from John Platt
1847 John Platt died