M. P. A. Wireless
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)
Sources of Information
- 1929 British Industries Fair Advert 243 and p109