M-O Valve Co: Difference between revisions
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1920 The name of the [[Marconi-Osram Valve Co]] was changed to [[M-O Valve Co]]<ref>Competition Commission [http://www.competition-commission.org.uk/rep_pub/reports/1950_1959/fulltext/020c02.pdf]</ref>. | 1920 The name of the [[Marconi-Osram Valve Co]] was changed to [[M-O Valve Co]]<ref>Competition Commission [http://www.competition-commission.org.uk/rep_pub/reports/1950_1959/fulltext/020c02.pdf]</ref>. | ||
1920 Jan. Physical and Optical Societies Exhibition. Exhibited wireless telegraphy. | |||
1927 Recorded as being a subsidiary of GEC | |||
1929 [[Gramophone Co]] acquired [[Marconiphone Co]] as well as [[Marconi's Wireless Telegraph Co|Marconi's]] share in [[Marconi-Osram Valve Co|M-O Valve]]<ref>Competition Commission [http://www.competition-commission.org.uk/rep_pub/reports/1950_1959/fulltext/020c02.pdf]</ref>. | |||
Continued to supply valves to [[Marconi's Wireless Telegraph Co|Marconi]]. | |||
1956 GEC purchased [[EMI]]'s share in the M-O Valve company. | |||
1958 Business had been focussed on thermionic devices for telecommunications, radar and military, and cathode ray tubes<ref>The Times, Sep 05, 1958</ref> | |||
1961 Manufacturers of electronic and thermionic valves, cathode ray tubes and devices, magnatrons, hydrogen thyratrons, klystrons, backward wave oscillators, travelling waves tubes, T.R. cells and geiger-muller counters. 1,500 employees. | 1961 Manufacturers of electronic and thermionic valves, cathode ray tubes and devices, magnatrons, hydrogen thyratrons, klystrons, backward wave oscillators, travelling waves tubes, T.R. cells and geiger-muller counters. 1,500 employees. | ||
1969 Formation of '''GEC Electronic Tubes''' to bring together M-O Valve Co and [[English Electric Valve Co]], a company which would have half of UK valve production, the largest specialised valve manufacturer outside USA<ref>The Times, 22 April 1969</ref>. | |||
== See Also == | == See Also == | ||
Latest revision as of 20:42, 16 May 2016
of Brook Green, Hammersmith, London.
1919 Private company.
1920 The name of the Marconi-Osram Valve Co was changed to M-O Valve Co[1].
1920 Jan. Physical and Optical Societies Exhibition. Exhibited wireless telegraphy.
1927 Recorded as being a subsidiary of GEC
1929 Gramophone Co acquired Marconiphone Co as well as Marconi's share in M-O Valve[2].
Continued to supply valves to Marconi.
1956 GEC purchased EMI's share in the M-O Valve company.
1958 Business had been focussed on thermionic devices for telecommunications, radar and military, and cathode ray tubes[3]
1961 Manufacturers of electronic and thermionic valves, cathode ray tubes and devices, magnatrons, hydrogen thyratrons, klystrons, backward wave oscillators, travelling waves tubes, T.R. cells and geiger-muller counters. 1,500 employees.
1969 Formation of GEC Electronic Tubes to bring together M-O Valve Co and English Electric Valve Co, a company which would have half of UK valve production, the largest specialised valve manufacturer outside USA[4].