Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,700 pages of information and 247,103 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.
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 into ADT Group.
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MW1.43