Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,470 pages of information and 233,895 images on early companies, their products and the people who designed and built them.
The Grand Alliance Company was formed to protect the mining interests of powerful owners around Durham, including Sir Thomas Henry Liddell, the Earl of Strathmore and Mr. Stuart Wortley (afterward Lord Wharncliffe), the lessees of the Killingworth collieries.
1811 Stephenson was placed in charge of machinery at all of the Grand Allies' collieries at a salary of £100 per annum.
1814 Ralph Dodds was Chief viewer at the Grand Alliance colliery