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 Wellington Foundry, Heaton Norris, Stockport, and Dallam Lane, Warrington.
1850 Inquest in to the collapse of Brinksway New Mill at Stockport, when 13 people were killed, states that the iron castings were supplied by Williamson and Roberts  . The designers/engineers/millwrights for the contract were Wren and Bennett.
1851 A sale of looms made by Williamson and Roberts of Stockport 
1858 February. Accident at the Wellington Foundry, Heaton Norris, of Williamson and Roberts. The victim had been employed there for 'the last nine or ten years' 
1859 March. 'By order of the Trustees of the Estate and Effects of Mr. Richard Roberts, carrying on bunder the style or firm of Williamson and Roberts', Sale of works, land, 16 houses, plant, etc of Williamson & Roberts's foundries at Heaton Norris and WARRINGTON. The Warrington foundry was to the west of Dallam Lane and had a rail connection with the Grand Junction Railway