Wikipedia
Maestrovox
Maestrovox was a British company best known for its line of electron valve based electronic organs. They were designed and built by Victor Harold Ward. The first design model went on sale on May 5, 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.