James A. Brook
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
Sources of Information
- ↑ 1929 British Industries Fair Advert p123 and p30