Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 144,258 pages of information and 230,175 images on early companies, their products and the people who designed and built them.
of Victoria Works, Accrington Road, Burnley, Lancashire. Also at London, Birmingham, Cardiff and Glasgow. Telephone: 2129/2120. Telegraphic Address: "Dean, 'Phone, Burnley". (1937)
1895 Company founded.
1936 Public company.
1937 British Industries Fair Advert for Gas Heated Washing Coppers (assorted); Copper Water Heaters; Rustless Cast Iron Pan Boilers; Gas Heated Washing Machines. Copper Urns for counter use, in restaurants, workshops, etc. Flue Piping. Corrugated Elbows, Bafflers. (Gas: Industrial and Domestic Section - Stand No. Ca. 410). 
1945 Patent - Improvements relating to the casings of domestic wash boilers and washing machines.
1948 Patent - Improvements relating to domestic clothes washing machines and wash boilers.
1955 Merger with Burco, also of Burnley. Converted to private company.
1961 Engineers, sheet metal workers, iron and aluminium founders and galvanizers, specialising in the manufacture of gas heated wash boilers and washing machines. 200 employees. 
See Dean for picture of the product