Английская Википедия:Edison and Swan Electric Light Company

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Шаблон:Short description Шаблон:Use dmy dates Шаблон:Use list-defined references Шаблон:Infobox company 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.[1][2]

Thomas Edison established the Edison Electric Light Company in 1878. Joseph Swan established the Swan United Electric Light Company in 1881. Swan sued Edison in the UK, claiming patent infringement; this was upheld by the British courts. In 1882, Edison sued Swan, claiming infringement of his 1879 U.S. patent; however, the Edison Company believed their case would be jeopardized if Swan could demonstrate prior research and publication. Subsequently, in order to avoid uncertain and expensive litigation, the two companies negotiated a merger.[3] The glass bulbs sold in Britain were of Swan's design, while the filaments were of Edison's.[4] From 1887 or earlier Sir Ambrose Fleming was an adviser to the company, and conducted research at Ponders End.[5]

The company had offices at 155 Charing Cross Road, London, and factories in Brimsdown, Ponders End and Sunderland. In 1928, the company was acquired by Associated Electrical Industries. In 1956, a new cathode ray tube plant was opened in Sunderland. The company was renamed Siemens Ediswan following the takeover of Siemens Brothers by AEI in 1957. In 1964, AEI merged its lamp and radio valve manufacturing interests with those of Thorn Electrical Industries to form British Lighting Industries Ltd.[1]

Ediswan Valves

Edison Swan (or later Siemens Edison Swan) produced a wide range of vacuum tubes and cathode ray tubes under the names "Ediswan" or "Mazda"[6] and the 1964 Mazda Valve Data Book claimed: "Professor Sir. Ambrose Fleming... was Technical Consultant to the Edison Swan Company at the time. It was this close co-operation between University and Factory which resulted in the first radio valve in the world."[7] Ediswan still survives as a manufacturer of valves (located in Bromsgrove England).

See also

References

Шаблон:Reflist

Further reading

  • Bowers, Brian. "The Rise of the Electricity Supply Industry." History Today (March 1972), Vol. 22 Issue 3, pp 176-183 online
  • Bowers, Brian. "Edison and Early Electrical Engineering in Britain." History of Technology Volume 13 (2016): 168+
  • David, Paul A., and Julie Ann Bunn. "The economics of gateway technologies and network evolution: Lessons from electricity supply history." Information economics and policy 3.2 (1988): 165-202.
  • Hughes, Thomas Parke. "British Electrical Industry Lag: 1882-1888" Technology and Culture 3#1 (1962), pp. 27-44 online

External links

Шаблон:General Electric Company plc Шаблон:Thomas Edison

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  1. ↑ 1,0 1,1 Ошибка цитирования Неверный тег <ref>; для сносок science не указан текст
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  3. ↑ Ошибка цитирования Неверный тег <ref>; для сносок stath не указан текст
  4. ↑ Ошибка цитирования Неверный тег <ref>; для сносок dnb не указан текст
  5. ↑ Ошибка цитирования Неверный тег <ref>; для сносок ucl не указан текст
  6. ↑ Шаблон:Cite web
  7. ↑ Шаблон:Cite web
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