Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,414 pages of information and 211,641 images on early companies, their products and the people who designed and built them.
of 45 Great Ormond Street, London, WC1. Telephone: Holborn 9158. (1929)
Ditto Address. Telephone: Holborn 6126. (1947)
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Alpine Sunlight Ultra Violet Ray Radiation Apparatus. Radiant Light and Heat Apparatus. Portable Violet Ray High-frequency Vitalators and Ozonisers. Hair Dryers and Central Hair Drying Installations. (Stand No. O.26) 
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Medical Appliances, Portable Violet Ray High Frequency Vitalators, Ozonisers. Violet Ray Rejuvinators, Radiant Light and Heat Appliances. (Olympia, Ground Floor, Stand No. D.1695)