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 162,258 pages of information and 244,500 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.

James A. Brook

From Graces Guide

of 24 William Street, Huddersfield, Yorkshire.

  • 1929 Advert in British Industries Fair Catalogue as an Optical, Scientific and Photographic Exhibit. Manufacturers of a Super-Sparkler and Magneto Tester giving an intensified spark at plug points at all speeds without damage to coil or magneto. "The Electric Lamp Lock King". A "Complete" electric lamp lock, locking lampholder cap, lamp, shade and bulb. (Scientific Section - Stand No. N.41 and N.42) [1]


See Also

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Sources of Information

  1. ↑ 1929 British Industries Fair Advert p123 and p30
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