Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,848 pages of information and 225,307 images on early companies, their products and the people who designed and built them.
of 19 and 21 Heddon Street, Regent Street, London, W1. (1922)
Ditto Address. Telephone: Regent 5248 and 6591. Cables: "Gemmaceous, London". (1947)