Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,958 pages of information and 210,199 images on early companies, their products and the people who designed and built them.
of 75 Queen Victoria Street, London EC
1884 Company founded as representative of the B. F. Sturtevant Company, both of Boston, U.S.A.
Also see Sturtevant Blower Co
1889 Private company.
1895 Advert. Heating and ventilating systems. formerly Sturtevant Blower Co.
1944 Company made public.
1961 Mechanical and electrical engineers, manufacturing fans of all types, including plants for air conditioning, heating, ventilating, drying, fume removal, vacuum cleaning, electrostatic precipitation, crushing and grinding. 
1978 Company was reorganized into Sturtevant Engineering Holdings Ltd and Sturtevant Welbeck
Shortly after Sturtevant Welbeck was split into separate divisions: Sturtevant Engineering & Manufacturing Ltd. (portable vacuums) and Sturtevant Systems Ltd. (fixed vacuum systems).