Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,758 pages of information and 232,400 images on early companies, their products and the people who designed and built them.
of Keighley, Yorkshire
1837 Company founded by John Clapham, Thomas Clapham, and William Clapham.
Thomas Stowell Clapham and Samuel Bannister Clapham (sons of Thomas and William Clapham) later joined in partnership.
1893 Private company.
1914 Ironfounders, gas and water works engineers and contractors. Specialities: iron castings of good quality and finish, hot water, rain water, water, steam and underground pipes, valves and hydrants, "The Dreadnought" hot water tubular boiler and coils, Laycock and Clapham's patent "Eclipse" washer scrubber for gas, Moore and Crabtree's patent moulding machine, the"Wellington" and "Ferncliffe" cooking range. 
1961 General engineers and iron founders, specialising in the manufacture of gas works' plant and brick and hydraulic machinery. 150 employees.