Maestrovox was a British company best known for its line of electron valve based electronic organs.Advert showing Joy Ward Playing the Maestrovox Coronation They were designed and built by Victor Harold Ward. The first design model went on sale on 5 May 1952 at the British Industries Fair at Olympia, London, where it was hailed as the "Success of the Year" taking orders in excess of £80,000. Currently, only 24 are still known to exist.The Official 1950's Maestrovox Information Centre Website
References
Current total of known Maestrovox is 20
Further reading British Communications and Electronics, v. 1-2. Heywood & Co., 1954.
External links The Official 1950's Maestrovox Information Centre Website