Electronic Valve - Cossor, Type VR21, 1940-1945 Object Reg. No: HT 26144

Triode manufactured by Cossor, England. Equivalent to commercial type 210LF.
Zinc sprayed conical bulb with 4 pin European style base and no top cap. In tight fitting paper cover.
Discipline: Technology
Dimensions: 100 mm (Height), 40 mm (Diameter)

More information

Tagged with: triodes
Themes this item is part of: Information & Communication Collection
Primary Classification: ELECTRONICS
Secondary Classification: Vacuum Technology
Tertiary Classification: amplification
Inscriptions: On bulb: " V.R.21 / 2 / 10E/7738 ", " A [crown symbol] M ", " BVA / 1 / COSSOR / V10 / MADE IN ENGLAND "
Manufacturer: Cossor, England, Great Britain, 1940-1945

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