Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,361 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
of Eagle Iron Works, 20 to 22 Winding Road, Halifax, Yorkshire.
London Office: Norfolk House, Laurence Pountney Hill, E.C.
1886 Company founded by Frederick Pratt at Halifax.
1891 London office opened.
1897 Private company.
1914 Engineers and machine tool makers. Specialities: machine tools and workshop equipment for engineers, shipbuilders, boilermakers, bridge builders, dockyards, bolt and nut making, wood working etc. 
1953 Company made public.
1956 Established Pratt Precision Hydraulics as sales agents
1961 Manufacturers of lathe chucks, hydraulic equipment, pneumatic cylinders and fixtures. 600 employees. 
c.1970 Formation of Pratt Burnerd, chuck makers
1981 Pratt Burner was acquired by the 600 Group