About: Marconi-Osram Valve

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M-OV (Marconi-Osram Valve Company) was a British manufacturer of thermionic valves (vacuum tubes). It was a subsidiary of the (British) General Electric Company Ltd. The company was founded in 1919, when the valve making interests of GEC (Osram) and the Marconi Company were combined. In 1929, Marconi sold its interest in the company to the Gramophone Company, a predecessor of EMI. Shaw produced a vast array of valves for the war effort, some of which are listed below.

Attributes	Values
rdf:type	company yago:Abstraction100002137 yago:Company108058098 yago:ElectronicsCompany108003035 yago:Group100031264 yago:Institution108053576 yago:Organization108008335 yago:YagoLegalActor yago:YagoLegalActorGeo yago:YagoPermanentlyLocatedEntity yago:SocialGroup107950920 yago:WikicatDefunctTechnologicalCompaniesOfTheUnitedKingdom yago:WikicatElectronicsCompaniesOfTheUnitedKingdom
rdfs:label	Marconi-Osram Valve (en)
rdfs:comment	M-OV (Marconi-Osram Valve Company) was a British manufacturer of thermionic valves (vacuum tubes). It was a subsidiary of the (British) General Electric Company Ltd. The company was founded in 1919, when the valve making interests of GEC (Osram) and the Marconi Company were combined. In 1929, Marconi sold its interest in the company to the Gramophone Company, a predecessor of EMI. Shaw produced a vast array of valves for the war effort, some of which are listed below. (en)
dcterms:subject	Electronics companies established in 1919 1919 establishments in England Electronics companies of the United Kingdom Electronics industry in London General Electric Company Defunct technology companies of the United Kingdom
Wikipage page ID	34920842 (xsd:integer)
Wikipage revision ID	967775643 (xsd:integer)
Link from a Wikipage to another Wikipage	New old stock R1155 Gramophone Company Proximity fuse Electronics companies established in 1919 Micropup 1919 establishments in England Electronics companies of the United Kingdom Electronics industry in London Lancashire Cotton Corporation EMI KT66 General Electric Company Defunct technology companies of the United Kingdom Marconi Company GE Oil and Gas Cathode-ray tube Shadow factory Valve sound Shaw, Oldham T1154 Thermionic valves
Link from a Wikipage to an external page	http://www.gracesguide.co.uk/Marconi-Osram_Valve_Co
sameAs	Marconi-Osram Valve Marconi-Osram Valve Marconi-Osram Valve Marconi-Osram Valve
dbp:wikiPageUsesTemplate	dbt:General_Electric_Company_plc dbt:EngvarB dbt:ISBN dbt:Refimprove dbt:Use_dmy_dates dbt:Electronics-stub dbt:UK-company-stub
has abstract	M-OV (Marconi-Osram Valve Company) was a British manufacturer of thermionic valves (vacuum tubes). It was a subsidiary of the (British) General Electric Company Ltd. The company was founded in 1919, when the valve making interests of GEC (Osram) and the Marconi Company were combined. In 1929, Marconi sold its interest in the company to the Gramophone Company, a predecessor of EMI. In 1939, M-OV acquired two disused cotton mills at Shaw, Oldham where it established a shadow factory to produce valves and cathode ray tubes. The two mills named Cape and Duke, were bought from the Lancashire Cotton Corporation for £7,000. Cape mill was used as the main production facility at Shaw, with the adjacent Duke mill remaining mostly unused. Shaw produced a vast array of valves for the war effort, some of which are listed below. * VT104 and VT105 for the T1154 transmitter. * VR99, VR100, VR101 and VR103 for the R1155 receiver. * TT11 for the TR1143 fighter set. * VT90 micropup used in airborne radar. EMI sold its share of M-OV to GEC in 1956. The company continued to manufacture valves at the Brook Green Works, Hammersmith, London, until 1988. M-OV branded new old stock valves, continue to be highly prized by enthusiasts of the valve sound. Notable products of the company included cathode ray tubes for television, starting in the 1930s. The company also introduced the KT66 "kinkless tetrode" (beam power tetrode). In 1922 the company brought out valves using thoriated tungsten filaments, which needed less battery power to operate than former types. During World War II the company developed the CV122 valve used in the proximity fuse. (en)
gold:hypernym	Manufacturer
prov:wasDerivedFrom	wikipedia-en:Marconi-Osram_Valve?oldid=967775643&ns=0
page length (characters) of wiki page	2508 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Marconi-Osram_Valve
is Link from a Wikipage to another Wikipage of	Beam tetrode List of vacuum tubes David Theodore Nelson Williamson EF50 General Electric Company Utility Radio TM (triode) 6L6 Williamson amplifier British shadow factories KT88 Mullard–Philips tube designation Marconi Company Marshall Amplification MOV Pentagrid converter
is Wikipage disambiguates of	MOV
is foaf:primaryTopic of	wikipedia-en:Marconi-Osram_Valve

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