Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,258 pages of information and 244,499 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
Manufacturer of security sensor and alarm products including motion detectors, control panels and signalling equipment, perimeter protection devices, external sounders and fire detectors
2005 Bought by Halma
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