Glow Worm Boilers
Glow Worm Boilers Ltd. of Derwent Foundry, Milford, Nr Derby.
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1929 Part of Anthracite Radiation
1931 Glow Worm Boiler and Fire Co Ltd, Newman Street, London (see advert)
1934 Retail premises at Upper Regent Street, London[1]
1950 Acquired by South Western Industrial and Water Corporation
1951 Manufacturer of oil and solid-fuelled cookers, domestic boilers and contractor for the government[2]
1955 Became part of Midland Aluminium when that company split out of South Western Industrial.
1957 Owned by Midland Aluminium[3]
1974 Midland Aluminium was acquired by Tube Investments
1981 Glow Worm Boilers and Radiation-Ascot, both part of Tube Investments, were 2 of 6 boiler makers investigated for collusion in raising prices[4]
1987 TI Group sold its home heating division, Glow Worm Boilers and Parkray, to Hepworth Ceramic Holdings[5]