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Electronic Valve - MO Valve Company, Triode, Type NR11, circa 1920 Object Reg. No: HT 26131

Summary:
Triode, manufactured by Marconi Osram Valve Company, England for the British Navy. Base was specifically designed for the Navy.
Description:
Tubular bulb with Bakelite base and conical top cap. Base has two threaded side contacts and conical pin at bottom.
Discipline: Technology
Dimensions: 85 mm (Height), 30 mm (Diameter)

More information

Tagged with: triodes, 7918
Themes this item is part of: Information & Communication Collection
Primary Classification: ELECTRONICS
Secondary Classification: Vacuum Technology
Tertiary Classification: amplification
Inscriptions: On bulb: " ADMIRALTY / PATT. [illegible] / N.R. / 34815 / [illegible] ", " [illegible] / THE M.O. VALVE CO. LTD / G.E.C. / MADE IN ENGLAND "
On base: " A ", " G "
Manufacturer: Marconi Osram Valve Co, England, circa 1920

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