Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

Micanite and Insulators Co

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Sept 1940.
April 1943.
May 1943
September 1945.
December 1946.
1956. 275kV transformer bushing.

Micanite and Insulators Co of Empire Works, Blackhorse Lane, Walthamstow, London.

1901 Founded as the Mica Insulator Co. by twin brothers Arthur Berkeley and Edward Berkeley.

1906 Name changed to the Micanite and Insulators Co.

1937 Electrical insulation engineers. "Panilax" Insulating Material. "Paxbestos" and "Paxolin" Insulating Material.[1]

1947 Maker of high voltage insulating materials and components.

1956 Associated Insulation Products held a majority stake in the company; minority stakes were held by AEI and English Electric Co[2]

1956 Associated Insulation Products was acquired by Elliott Brothers

1958 AEI acquired Associated Insulation Products from Elliott Automation, giving AEI control of one of its principal suppliers of materials. AIP held 54 percent of Micanite and Insulators, supplier of heavy insulation equipment; English Electric Co held 7 percent of the equity and AEI held 39 percent[3]

1961 Electrical insulation engineers and manufacturers, producing mica, micanite, silicone insulation, empire varnished insulation, high voltage bushings and insulators. 1,600 employees.[4]

1967 Production moved to Trafford Park, Manchester.

1969 Became Micanite and Insulators, part of GEC Power Engineering

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