Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,099 pages of information and 246,739 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Unique Fire Protection

From Graces Guide

of Manchester

of Sunbury-on-Thames (1994)

1962 Company incorporated

By 1982 seems to have been owned by Thorn EMI

1984 Name changed to Thorn EMI Fire Appliances Ltd

1986 Name changed to Thorn EMI Protech Ltd, of Twickenham

1987 Name changed to Thorn Security Ltd

1996 Tyco International bought Thorn Security for £138million[1] and then merged it into ADT Group.



See Also

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Sources of Information

  1. The Times Feb. 14, 1997