Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,535 pages of information and 233,960 images on early companies, their products and the people who designed and built them.
of Chase Estate, Willesden, and Minerva Road, North Acton, London, NW10. Telephone: Elgar 6666-7-8. Cables: "Elgar 6666"
There were 261 theatre organs were built by the John Compton Organ Co, and installed in theatres, town halls, and studios throughout the UK and overseas.
1929 They were the first company to pioneer electronic tones.
1931 They were more famous for their cinema organs but built many fine church instruments including Downside Abbey in 1931.
From 1935 they developed the "Melotone", first used as an attachment on their cinema organs from 1935.
1936 film showing the various stages of constructing an testing Compton organs here.
By the end of the 1930s this had been developed into a complete electronic instrument with the theatre model called the "theatrone" and the church model the "electrone".
1947 Listed Exhibitor - British Industries Fair. Manufacturers of the Compton Electrone (Pipeless Organ). The Compton Miniatura Pipe Organ. Pipe Organs for Cathedrals, Churches, Municipal and Educational Establishments and for Cinema Purposes. The Compton Variable Control Electric Space Heater. (Olympia, Ground Floor, Stand No. C.1501) 
1970 Ceased trading