Catalogue
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Marconi Radio Valve Type MT1, by Marconi Company, London, Early 20th Century
Inventory Number: 46376
Number of documents: 2
Document Type: Miscellaneous Note
Document Heading: Historical Background - Marconi Radio Valve Type MT1
Text:
The Marconi Radio Valve Type MT1 was originally manufactured under the title Type T1 in 1917, but was changed to Type MT1 in 1919 when manufacture was transferred from Osram to the newly-formed Marconi-Osram Valve Company.
Document Type: Miscellaneous Note
Document Heading: Manufacturer Details
Text:
Marconi-Osram Valve Co. Ltd. was founded in 1919, and took over the manufacture of Marconi valves from Ediswan, the trade name of the Edison and Swan United Electric Light Company Limited. The M-OV, as it was later known, was a joint Marconi-GEC valve-manufacturing company. It produced all of its valves at the Osram Lamp Works at Hammersmith, London.
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