Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,390 pages of information and 211,458 images on early companies, their products and the people who designed and built them.
of 62 Conduit Street, London, W1. Telephone: Gerrard 6844. Cables: "Empeea, London".
1929 Advert for Reproducers. Manufacturers of Wireless Broadcast Receivers, Electric Radio Gramophones, Cone Loudspeakers, Moving Coil Loudspeakers, and Dual Inductance Self-energising Loudspeakers. (Wireless Section - Stand No. MM.49)