Robert Dempster and Sons
of Rose Mount Iron Works, Elland, Yorkshire. London Office: 16 Queen Anne's Gate, Westminster, SW1. Telephone: Elland 261; London Office: Whitehall 2661. Telegraphic Address: "Dempster, Elland"; London Office: "Ellandors, Pearl, London". (1937)
1855 Company founded by Robert Dempster
Engineers, designers and builders of spirally-guided gasholders, gas retorts, storage tanks, and bulk materials handling plant for the power generation, mining, and quarrying industries.
1892 Private company.
1922 Patent - Improvements relating to wheels.
1923 Patent - Apparatus for discharging and charging retorts or ovens.
1926 Received an order from the County of London Electric Supply Corporation for the coal-handling plant, comprising two 100 tons per hour gravity bucket conveyors and a 25-ton per hour telpher plant over storage bunkers, for the extensions of the electric super power station at Barking.
1937 Listed Exhibitor - British Industries Fair. Waterless (M.A.N. Type) Gasholder. (Stand No. Ca.503). [1]
1961 Manufacturers of gasholders and tanks, gas plant and mechanical handling equipment. 450 employees. [2]
1963 The company became Oxley Dempster.
1971 The firm closed down.