Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,260 pages of information and 244,501 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.
Royce Thompson, of Leeds
1963 Began manufacturing photoelectronic controls for street lighting and amenity lighting.
1991 The street lighting controls business of Horstmann Gear Co was acquired by Royce Thompson.
Owned by the US company Thomas and Betts
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