Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,106 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
Dunn and Stivens of Ordsall Lane, Salford
1840 Partnership dissolved. '...the Partnership hereto fore subsisting between us the undersigned, Samuel Dunn and Alexander Stivens, carrying on business at Salford, in the county of Lancaster, as Civil Engineers, Machine and Tool-Makers, under the firm of Dunn and Stivens, was dissolved,...' 
1840 Advertisement for sale of equipment of the late firm of Dunn and Stivens, machine and tool makers. Items included a 4 HP high pressure steam engine; whole of the machinery for manufacturing double acting planing machines, slide lathes, key grooving and shaping machines, anvils, bellows, vices 
1841 Listed as engineers and tool makers, Ordsal Lane, Salford.