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 148,439 pages of information and 233,876 images on early companies, their products and the people who designed and built them.

Royce Thompson

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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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