Thorn Electrical Industries Limited was an electrical engineering business. It was listed on the London Stock Exchange but it merged with EMI Group to form Thorn EMI in 1979. It demerged again in 1996 and became a constituent of the FTSE 100 Index but was acquired by Nomura Group just two years later.
London Stock Exchange is a stock exchange located in the City of London, England. As of April 2018, London Stock Exchange had a market capitalization of US$4.59 trillion. It was founded in 1571, making it one of the oldest exchanges in the world. Its current premises are situated in Paternoster Square close to St Paul's Cathedral in the City of London. It is part of London Stock Exchange Group (LSEG).
Thorn EMI was a major British company involved in consumer electronics, music, defence and retail. Created in October 1979 when Thorn Electrical Industries merged with EMI, it was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but it demerged back to separate companies in 1996.
The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie", is a share index of the 100 companies listed on the London Stock Exchange with the highest market capitalisation. It is seen as a gauge of prosperity for businesses regulated by UK company law. The index is maintained by the FTSE Group, a subsidiary of the London Stock Exchange Group.
Sir Jules Thorn and Alfred Deutsch founded the company in March 1928 as The Electric Lamp Service Company Ltd. Thorn had worked in England as a travelling salesman for Olso, an Austrian manufacturer of gas mantles. When Olso went bankrupt, Thorn decided to stay in England. Deutsch, an Austrian engineer, visited Thorn in 1928 and was persuaded to stay to help organize the company's production process.
Sir Jules Thorn was the founder of Thorn Electrical Industries, one of the United Kingdom's largest electrical businesses.
An incandescent gas mantle, gas mantle or Welsbach mantle is a device for generating bright white light when heated by a flame. The name refers to its original heat source in gas lights, which filled the streets of Europe and North America in the late 19th century, mantle referring to the way it is hung above the flame. Today it is still used in portable camping lanterns, pressure lanterns and some oil lamps.
In 1932 Thorn acquired the Atlas Lamp Works and began making light bulbs in Edmonton, north London. The company grew rapidly to become Thorn Lighting , one of the world's largest producers of lamps, luminaires and lighting components. The name changed to Thorn Electrical Industries in November 1936. The company later began to diversify by buying Ferguson Radio Corporation in the late 1950s and Ultra Radio & Television in 1961.
Edmonton is a district in North London in the London Borough of Enfield, England, 8.4 miles (13.5 km) north-northeast of Charing Cross.
North London is an informally and inexactly defined part of London, England which covers some of the area of the capital lying north of the River Thames. North London extends from Clerkenwell and Finsbury on the edge of the City of London financial district, to Greater London's boundary with Hertfordshire. North London is an imprecise description and the area it covers is defined differently for a range of purposes. Common to these definitions is that it includes districts north of the River Thames and is used in comparison with South London. However, it is also often used in comparisons with Central London, East London and West London. There is also a northern postal area but this includes some areas not normally described as part of North London, while excluding many others that are.
Thorn Lighting Ltd, a subsidiary of the Austrian company Zumtobel Group, is a global supplier of both outdoor and indoor luminaires and integrated controls.
In 1965 Thorn took over local Edmonton firm Glover and Main, gas-appliance manufacturers.
Glover and Main was a British manufacturer of gas meters and stoves located at Angel Road, Edmonton, London.
Other notable brands within the Thorn group over the years have included Radio Rentals, DER (both TV rental), Rumbelows (electrical goods), Tricity (cookers and fridges), Kenwood (food mixers), Thorn Kidde (fire protection), TMD(microwave equipment) and Mazda (light bulbs).
Radio Rentals was formed in 1930 in Brighton, Sussex, UK to rent out radio sets by Percy Perring-Thoms with a turnover in the first year of £780. It later moved into televisions and ultimately video recorders. In 1964 it merged with RentaSet, Joseph Robinson's similarly formed company. Then in 1968 it was acquired by Thorn Electrical Industries and joined with Thorn's DER chain as part of Thorn Television Rentals (TTR) though the two companies were run completely separately with different staff and vehicles etc. In 1980 TTR and thus Radio Rentals became part of the merged Thorn EMI, and in 2000 it merged with Granada Limited to form Boxclever. The company still trades as Radio Rentals in Australia.
Rumbelows was an electrical and electronics retailer in the United Kingdom, that once rivalled Currys, Dixons and Comet.
Kenwood is a kitchen appliances manufacturer, operating in 44 countries. It is owned by the De’Longhi Group. Kenwood designs, produces and sells kitchen appliances including stand mixers, blenders, food processors, kettles and toasters.
In October 1979 Thorn merged with EMI to form Thorn EMI.
EMI Group Limited was a British transnational conglomerate founded in March 1931 in London. At the time of its break-up in 2012, it was the fourth largest business group and record label conglomerate in the music industry, and was one of the big four record companies ; its labels included EMI Records, Parlophone, Virgin Records, and Capitol Records, which are now owned by other companies.
On 16 August 1996 Thorn EMI shareholders voted in favour of de-merging Thorn. The electronics and rentals divisions were divested as Thorn plc.
Future Rentals, a subsidiary of Nomura Group, acquired Thorn in 1998;it subsequently passed to Terra Firma Capital Partners who set up the BrightHouse chain. The remainder of the company was sold to a private buyer in June 2007.
Koninklijke Philips N.V. is a Dutch multinational conglomerate corporation headquartered in Amsterdam, one of the largest electronics companies in the world, currently focused in the area of healthcare and lighting. It was founded in Eindhoven in 1891 by Gerard Philips and his father Frederik, with their first products being light bulbs. It was once one of the largest electronic conglomerates in the world and currently employs around 74,000 people across 100 countries. The company gained its royal honorary title in 1998 and dropped the "Electronics" in its name in 2013.
An arc lamp or arc light is a lamp that produces light by an electric arc. The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, was the first practical electric light. It was widely used starting in the 1870s for street and large building lighting until it was superseded by the incandescent light in the early 20th century. It continued in use in more specialized applications where a high intensity point light source was needed, such as searchlights and movie projectors until after World War II. The carbon arc lamp is now obsolete for most of these purposes, but it is still used as a source of high intensity ultraviolet light.
The General Electric Company, or GEC, was a major UK-based industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was a constituent of the FTSE 100 Index.
The Zumtobel Group headquartered in Dornbirn, Austria, is a manufacturer of professional indoor and outdoor lighting, lighting management systems and lighting components as well as LED and OLED technology. The Zumtobel Group includes the subsidiaries of Zumtobel, Thorn, Tridonic, acdc and Reiss.
Guy Hands is an English financier and investor. He is most notable as the founder and chairman of Terra Firma Capital Partners, one of the largest private equity firms in Europe. Hands also previously served as Chairman of the UK music company, EMI.
The internal electrodeless lamp or induction lamp is a gas discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside. This is in contrast to a typical gas discharge lamp that uses internal electrodes connected to the power supply by conductors that pass through the lamp envelope. Eliminating the internal electrodes provides two advantages:
Hydrargyrum medium-arc iodide, or HMI, is the trademark name of Osram's brand of metal-halide gas discharge medium arc-length lamp, made specifically for film and entertainment applications. Hydrargyrum comes from the Greek name for the element mercury.
The sulfur lamp is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulfur plasma that has been excited by microwave radiation. They are a particular type of plasma lamp, and one of the most modern. The technology was developed in the early 1990s, but, although it appeared initially to be very promising, sulfur lighting was a commercial failure by the late 1990s. Since 2005, lamps are again being manufactured for commercial use.
Terra Firma Capital Partners Ltd. (TFCP) is a UK-based private equity firm. Financier Guy Hands founded the firm in 2002 through the spin-off of Nomura Principal Finance Group. The firm, which traces its roots to the formation of its predecessor in 1994, has invested over €14 billion since inception.
Ultra Electronics Holdings is a British company serving the defence, security, transport and energy industries. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Ceravision is a privately owned lighting company based in Milton Keynes, UK. Ceravision is the inventor of High Efficiency Plasma (HEP) lighting technology, a new and unique genre of electrodeless lamps, driven by radio frequency (RF) and particularly suited to medium and high power commercial applications.
Plasma lamps are a type of electrodeless gas-discharge lamp energized by radio frequency (RF) power. They are distinct from the novelty plasma lamps that were popular in the 1980s.
Havells Sylvania and formerly SLI, is an international designer and manufacturer of lighting products, trading as Sylvania. It has plants throughout Europe, Asia, North Africa and Central and South America, and is one of the few lighting companies that produces both lamps and lighting fixtures. It is owned by Shanghai Feilo Acoustics Ltd., having previously been owned by the Indian electrical company Havells.
The Edison and Swan Electric Light Company Limited was a manufacturer of incandescent lamp bulbs and other electrical goods. It was formed in 1883 with the name Edison & Swan United Electric Light Company with the merger of the Swan United Electric Company and the Edison Electric Light Company.
TMD can trace its roots back to the early 1940's, when the microwave tube research division of EMI Electronics was established to develop high power klystrons, for use in the first airborne radars being developed during the second world war. [...] In 1989 the company became a wholly owned subsidiary of THORN EMI Electronics [...] In 1995 THORN EMI sold the company to a "Management Buy Out" team, led by the Managing Director, and as TMD Technologies this is now a wholly owned, fully independent private UK company.