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Electronic Valve - MO Valve Company, Triode, Type NR11, circa 1920 Reg. No: HT 26131
- Triode, manufactured by Marconi Osram Valve Company, England for the British Navy. Base was specifically designed for the Navy.
- Tubular bulb with Bakelite base and conical top cap. Base has two threaded side contacts and conical pin at bottom.
|Dimensions:||85 mm (Height), 30 mm (Diameter)|
|Tagged with:||triodes, 7918|
|Themes this item is part of:||Information & Communication Collection|
|Secondary Classification:||Vacuum Technology|
|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, Great Britain, circa 1920|