Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,594 pages of information and 209,978 images on early companies, their products and the people who designed and built them.
Scott Brothers of Pellon-lane, Halifax; West Mount Iron Works, Halifax.
1895 Duplex high-speed i/c engine rated at 16 ihp at 220 rpm 
1937 Metal merchants.